Home / 686,061,266.28-1,026,398,033.52-529,431,726.64

Finding the Fourth Proportional to 686,061,266.28, 1,026,398,033.52 and 529,431,726.64

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Solution

The fourth proportional to 686,061,266.28, 1,026,398,033.52 and 529,431,726.64 is: 792,068,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,061,266.28 : 1,026,398,033.52 = 529,431,726.64 : x
  2. Step 2: Convert to fraction form
    686,061,266.28/1,026,398,033.52 = 529,431,726.64/x
  3. Step 3: Cross multiply
    686,061,266.28x = 1,026,398,033.52 × 529,431,726.64
  4. Step 4: Simplify right side
    686,061,266.28x = 543,407,683,106,394,176
  5. Step 5: Solve for x
    x = 543,407,683,106,394,176/686,061,266.28
  6. Step 6: Final answer
    x = 792,068,740.53

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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.