Home / 1,508,047,981.60-2,262,071,972.40-417,531,049.60

Finding the Fourth Proportional to 1,508,047,981.60, 2,262,071,972.40 and 417,531,049.60

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Solution

The fourth proportional to 1,508,047,981.60, 2,262,071,972.40 and 417,531,049.60 is: 626,296,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,047,981.60 : 2,262,071,972.40 = 417,531,049.60 : x
  2. Step 2: Convert to fraction form
    1,508,047,981.60/2,262,071,972.40 = 417,531,049.60/x
  3. Step 3: Cross multiply
    1,508,047,981.60x = 2,262,071,972.40 × 417,531,049.60
  4. Step 4: Simplify right side
    1,508,047,981.60x = 944,485,284,906,914,304
  5. Step 5: Solve for x
    x = 944,485,284,906,914,304/1,508,047,981.60
  6. Step 6: Final answer
    x = 626,296,574.40

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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.