Home / 1,037,641,201.20-1,556,461,801.80-992,858,439.60

Finding the Fourth Proportional to 1,037,641,201.20, 1,556,461,801.80 and 992,858,439.60

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Solution

The fourth proportional to 1,037,641,201.20, 1,556,461,801.80 and 992,858,439.60 is: 1,489,287,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,641,201.20 : 1,556,461,801.80 = 992,858,439.60 : x
  2. Step 2: Convert to fraction form
    1,037,641,201.20/1,556,461,801.80 = 992,858,439.60/x
  3. Step 3: Cross multiply
    1,037,641,201.20x = 1,556,461,801.80 × 992,858,439.60
  4. Step 4: Simplify right side
    1,037,641,201.20x = 1,545,346,235,832,152,576
  5. Step 5: Solve for x
    x = 1,545,346,235,832,152,576/1,037,641,201.20
  6. Step 6: Final answer
    x = 1,489,287,659.40

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Double scale
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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.