Home / 566,073,114-781,186,464.84-315,180,999.12

Finding the Fourth Proportional to 566,073,114, 781,186,464.84 and 315,180,999.12

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Solution

The fourth proportional to 566,073,114, 781,186,464.84 and 315,180,999.12 is: 434,952,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,073,114 : 781,186,464.84 = 315,180,999.12 : x
  2. Step 2: Convert to fraction form
    566,073,114/781,186,464.84 = 315,180,999.12/x
  3. Step 3: Cross multiply
    566,073,114x = 781,186,464.84 × 315,180,999.12
  4. Step 4: Simplify right side
    566,073,114x = 246,215,130,487,291,968
  5. Step 5: Solve for x
    x = 246,215,130,487,291,968/566,073,114
  6. Step 6: Final answer
    x = 434,952,878.70

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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.