Home / 1,545,464,046.31-2,132,162,623.67-909,996,169.30

Finding the Fourth Proportional to 1,545,464,046.31, 2,132,162,623.67 and 909,996,169.30

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Solution

The fourth proportional to 1,545,464,046.31, 2,132,162,623.67 and 909,996,169.30 is: 1,255,454,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,464,046.31 : 2,132,162,623.67 = 909,996,169.30 : x
  2. Step 2: Convert to fraction form
    1,545,464,046.31/2,132,162,623.67 = 909,996,169.30/x
  3. Step 3: Cross multiply
    1,545,464,046.31x = 2,132,162,623.67 × 909,996,169.30
  4. Step 4: Simplify right side
    1,545,464,046.31x = 1,940,259,819,859,553,024
  5. Step 5: Solve for x
    x = 1,940,259,819,859,553,024/1,545,464,046.31
  6. Step 6: Final answer
    x = 1,255,454,518.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.