Home / 686,061,282.32-1,026,398,057.52-529,431,742.64

Finding the Fourth Proportional to 686,061,282.32, 1,026,398,057.52 and 529,431,742.64

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Solution

The fourth proportional to 686,061,282.32, 1,026,398,057.52 and 529,431,742.64 is: 792,068,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,061,282.32 : 1,026,398,057.52 = 529,431,742.64 : x
  2. Step 2: Convert to fraction form
    686,061,282.32/1,026,398,057.52 = 529,431,742.64/x
  3. Step 3: Cross multiply
    686,061,282.32x = 1,026,398,057.52 × 529,431,742.64
  4. Step 4: Simplify right side
    686,061,282.32x = 543,407,712,235,124,544
  5. Step 5: Solve for x
    x = 543,407,712,235,124,544/686,061,282.32
  6. Step 6: Final answer
    x = 792,068,764.47

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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.