Home / 686,061,283.32-1,026,398,059.02-529,431,743.64

Finding the Fourth Proportional to 686,061,283.32, 1,026,398,059.02 and 529,431,743.64

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Solution

The fourth proportional to 686,061,283.32, 1,026,398,059.02 and 529,431,743.64 is: 792,068,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,061,283.32 : 1,026,398,059.02 = 529,431,743.64 : x
  2. Step 2: Convert to fraction form
    686,061,283.32/1,026,398,059.02 = 529,431,743.64/x
  3. Step 3: Cross multiply
    686,061,283.32x = 1,026,398,059.02 × 529,431,743.64
  4. Step 4: Simplify right side
    686,061,283.32x = 543,407,714,055,670,208
  5. Step 5: Solve for x
    x = 543,407,714,055,670,208/686,061,283.32
  6. Step 6: Final answer
    x = 792,068,765.97

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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.