Home / 688,383,356.52-949,963,772.70-375,116,601.72

Finding the Fourth Proportional to 688,383,356.52, 949,963,772.70 and 375,116,601.72

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Solution

The fourth proportional to 688,383,356.52, 949,963,772.70 and 375,116,601.72 is: 517,658,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,383,356.52 : 949,963,772.70 = 375,116,601.72 : x
  2. Step 2: Convert to fraction form
    688,383,356.52/949,963,772.70 = 375,116,601.72/x
  3. Step 3: Cross multiply
    688,383,356.52x = 949,963,772.70 × 375,116,601.72
  4. Step 4: Simplify right side
    688,383,356.52x = 356,347,182,172,334,528
  5. Step 5: Solve for x
    x = 356,347,182,172,334,528/688,383,356.52
  6. Step 6: Final answer
    x = 517,658,044.46

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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.