Home / 765,836,058.81-1,056,881,951.15-426,775,003.15

Finding the Fourth Proportional to 765,836,058.81, 1,056,881,951.15 and 426,775,003.15

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Solution

The fourth proportional to 765,836,058.81, 1,056,881,951.15 and 426,775,003.15 is: 588,965,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,836,058.81 : 1,056,881,951.15 = 426,775,003.15 : x
  2. Step 2: Convert to fraction form
    765,836,058.81/1,056,881,951.15 = 426,775,003.15/x
  3. Step 3: Cross multiply
    765,836,058.81x = 1,056,881,951.15 × 426,775,003.15
  4. Step 4: Simplify right side
    765,836,058.81x = 451,050,798,029,625,216
  5. Step 5: Solve for x
    x = 451,050,798,029,625,216/765,836,058.81
  6. Step 6: Final answer
    x = 588,965,213.69

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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.