Home / 728,275,643.80-1,092,413,465.70-506,345,882.20

Finding the Fourth Proportional to 728,275,643.80, 1,092,413,465.70 and 506,345,882.20

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Solution

The fourth proportional to 728,275,643.80, 1,092,413,465.70 and 506,345,882.20 is: 759,518,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,275,643.80 : 1,092,413,465.70 = 506,345,882.20 : x
  2. Step 2: Convert to fraction form
    728,275,643.80/1,092,413,465.70 = 506,345,882.20/x
  3. Step 3: Cross multiply
    728,275,643.80x = 1,092,413,465.70 × 506,345,882.20
  4. Step 4: Simplify right side
    728,275,643.80x = 553,139,060,017,025,920
  5. Step 5: Solve for x
    x = 553,139,060,017,025,920/728,275,643.80
  6. Step 6: Final answer
    x = 759,518,823.30

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Double scale
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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.