Home / 1,417,645,387.32-1,956,350,989.08-782,566,248.12

Finding the Fourth Proportional to 1,417,645,387.32, 1,956,350,989.08 and 782,566,248.12

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Solution

The fourth proportional to 1,417,645,387.32, 1,956,350,989.08 and 782,566,248.12 is: 1,079,941,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,645,387.32 : 1,956,350,989.08 = 782,566,248.12 : x
  2. Step 2: Convert to fraction form
    1,417,645,387.32/1,956,350,989.08 = 782,566,248.12/x
  3. Step 3: Cross multiply
    1,417,645,387.32x = 1,956,350,989.08 × 782,566,248.12
  4. Step 4: Simplify right side
    1,417,645,387.32x = 1,530,974,253,530,186,752
  5. Step 5: Solve for x
    x = 1,530,974,253,530,186,752/1,417,645,387.32
  6. Step 6: Final answer
    x = 1,079,941,618.14

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Double scale
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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.