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Finding the Fourth Proportional to 468,060,563.80, 702,090,845.70 and 238,478,051.80

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Solution

The fourth proportional to 468,060,563.80, 702,090,845.70 and 238,478,051.80 is: 357,717,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,060,563.80 : 702,090,845.70 = 238,478,051.80 : x
  2. Step 2: Convert to fraction form
    468,060,563.80/702,090,845.70 = 238,478,051.80/x
  3. Step 3: Cross multiply
    468,060,563.80x = 702,090,845.70 × 238,478,051.80
  4. Step 4: Simplify right side
    468,060,563.80x = 167,433,257,069,150,432
  5. Step 5: Solve for x
    x = 167,433,257,069,150,432/468,060,563.80
  6. Step 6: Final answer
    x = 357,717,077.70

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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.