Home / 1,037,641,203.70-1,556,461,805.55-992,858,442.10

Finding the Fourth Proportional to 1,037,641,203.70, 1,556,461,805.55 and 992,858,442.10

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Solution

The fourth proportional to 1,037,641,203.70, 1,556,461,805.55 and 992,858,442.10 is: 1,489,287,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,641,203.70 : 1,556,461,805.55 = 992,858,442.10 : x
  2. Step 2: Convert to fraction form
    1,037,641,203.70/1,556,461,805.55 = 992,858,442.10/x
  3. Step 3: Cross multiply
    1,037,641,203.70x = 1,556,461,805.55 × 992,858,442.10
  4. Step 4: Simplify right side
    1,037,641,203.70x = 1,545,346,243,446,526,208
  5. Step 5: Solve for x
    x = 1,545,346,243,446,526,208/1,037,641,203.70
  6. Step 6: Final answer
    x = 1,489,287,663.15

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Half scale
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Double scale
Find fourth proportional to 1,037,641,204.70, 1,556,461,807.05 and 992,858,443.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.