Home / 747,340,444.80-1,121,010,667.20-436,128,595.20

Finding the Fourth Proportional to 747,340,444.80, 1,121,010,667.20 and 436,128,595.20

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Solution

The fourth proportional to 747,340,444.80, 1,121,010,667.20 and 436,128,595.20 is: 654,192,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,444.80 : 1,121,010,667.20 = 436,128,595.20 : x
  2. Step 2: Convert to fraction form
    747,340,444.80/1,121,010,667.20 = 436,128,595.20/x
  3. Step 3: Cross multiply
    747,340,444.80x = 1,121,010,667.20 × 436,128,595.20
  4. Step 4: Simplify right side
    747,340,444.80x = 488,904,807,490,150,720
  5. Step 5: Solve for x
    x = 488,904,807,490,150,720/747,340,444.80
  6. Step 6: Final answer
    x = 654,192,892.80

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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.