Home / 317,640,304.17-438,356,797.92-176,510,997.45

Finding the Fourth Proportional to 317,640,304.17, 438,356,797.92 and 176,510,997.45

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Solution

The fourth proportional to 317,640,304.17, 438,356,797.92 and 176,510,997.45 is: 243,592,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,640,304.17 : 438,356,797.92 = 176,510,997.45 : x
  2. Step 2: Convert to fraction form
    317,640,304.17/438,356,797.92 = 176,510,997.45/x
  3. Step 3: Cross multiply
    317,640,304.17x = 438,356,797.92 × 176,510,997.45
  4. Step 4: Simplify right side
    317,640,304.17x = 77,374,795,639,847,280
  5. Step 5: Solve for x
    x = 77,374,795,639,847,280/317,640,304.17
  6. Step 6: Final answer
    x = 243,592,499.52

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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.