Home / 688,299,090.75-949,852,881.92-375,033,304.71

Finding the Fourth Proportional to 688,299,090.75, 949,852,881.92 and 375,033,304.71

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Solution

The fourth proportional to 688,299,090.75, 949,852,881.92 and 375,033,304.71 is: 517,546,034.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,299,090.75 : 949,852,881.92 = 375,033,304.71 : x
  2. Step 2: Convert to fraction form
    688,299,090.75/949,852,881.92 = 375,033,304.71/x
  3. Step 3: Cross multiply
    688,299,090.75x = 949,852,881.92 × 375,033,304.71
  4. Step 4: Simplify right side
    688,299,090.75x = 356,226,465,292,899,840
  5. Step 5: Solve for x
    x = 356,226,465,292,899,840/688,299,090.75
  6. Step 6: Final answer
    x = 517,546,034.97

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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.