Home / 747,844,273.80-1,121,766,410.70-425,358,001.80

Finding the Fourth Proportional to 747,844,273.80, 1,121,766,410.70 and 425,358,001.80

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Solution

The fourth proportional to 747,844,273.80, 1,121,766,410.70 and 425,358,001.80 is: 638,037,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,844,273.80 : 1,121,766,410.70 = 425,358,001.80 : x
  2. Step 2: Convert to fraction form
    747,844,273.80/1,121,766,410.70 = 425,358,001.80/x
  3. Step 3: Cross multiply
    747,844,273.80x = 1,121,766,410.70 × 425,358,001.80
  4. Step 4: Simplify right side
    747,844,273.80x = 477,152,318,941,710,144
  5. Step 5: Solve for x
    x = 477,152,318,941,710,144/747,844,273.80
  6. Step 6: Final answer
    x = 638,037,002.70

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1.5x scale

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.