Home / 1,036,644,556.40-1,554,966,834.60-346,462,129.70

Finding the Fourth Proportional to 1,036,644,556.40, 1,554,966,834.60 and 346,462,129.70

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Solution

The fourth proportional to 1,036,644,556.40, 1,554,966,834.60 and 346,462,129.70 is: 519,693,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,644,556.40 : 1,554,966,834.60 = 346,462,129.70 : x
  2. Step 2: Convert to fraction form
    1,036,644,556.40/1,554,966,834.60 = 346,462,129.70/x
  3. Step 3: Cross multiply
    1,036,644,556.40x = 1,554,966,834.60 × 346,462,129.70
  4. Step 4: Simplify right side
    1,036,644,556.40x = 538,737,121,128,383,616
  5. Step 5: Solve for x
    x = 538,737,121,128,383,616/1,036,644,556.40
  6. Step 6: Final answer
    x = 519,693,194.55

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Half scale
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Double scale
Find fourth proportional to 1,036,644,557.40, 1,554,966,836.10 and 346,462,130.70
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.