Home / 1,170,068,795.30-1,755,363,008.55-393,692,543.30

Finding the Fourth Proportional to 1,170,068,795.30, 1,755,363,008.55 and 393,692,543.30

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Solution

The fourth proportional to 1,170,068,795.30, 1,755,363,008.55 and 393,692,543.30 is: 590,626,234.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,068,795.30 : 1,755,363,008.55 = 393,692,543.30 : x
  2. Step 2: Convert to fraction form
    1,170,068,795.30/1,755,363,008.55 = 393,692,543.30/x
  3. Step 3: Cross multiply
    1,170,068,795.30x = 1,755,363,008.55 × 393,692,543.30
  4. Step 4: Simplify right side
    1,170,068,795.30x = 691,073,327,250,789,120
  5. Step 5: Solve for x
    x = 691,073,327,250,789,120/1,170,068,795.30
  6. Step 6: Final answer
    x = 590,626,234.99

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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.