Home / 712,181,255.80-1,068,271,883.70-528,515,246.20

Finding the Fourth Proportional to 712,181,255.80, 1,068,271,883.70 and 528,515,246.20

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Solution

The fourth proportional to 712,181,255.80, 1,068,271,883.70 and 528,515,246.20 is: 792,772,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,181,255.80 : 1,068,271,883.70 = 528,515,246.20 : x
  2. Step 2: Convert to fraction form
    712,181,255.80/1,068,271,883.70 = 528,515,246.20/x
  3. Step 3: Cross multiply
    712,181,255.80x = 1,068,271,883.70 × 528,515,246.20
  4. Step 4: Simplify right side
    712,181,255.80x = 564,597,977,622,243,264
  5. Step 5: Solve for x
    x = 564,597,977,622,243,264/712,181,255.80
  6. Step 6: Final answer
    x = 792,772,869.30

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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.