Home / 745,937,125.20-1,118,905,687.80-254,487,060.45

Finding the Fourth Proportional to 745,937,125.20, 1,118,905,687.80 and 254,487,060.45

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Solution

The fourth proportional to 745,937,125.20, 1,118,905,687.80 and 254,487,060.45 is: 381,730,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,937,125.20 : 1,118,905,687.80 = 254,487,060.45 : x
  2. Step 2: Convert to fraction form
    745,937,125.20/1,118,905,687.80 = 254,487,060.45/x
  3. Step 3: Cross multiply
    745,937,125.20x = 1,118,905,687.80 × 254,487,060.45
  4. Step 4: Simplify right side
    745,937,125.20x = 284,747,019,409,007,392
  5. Step 5: Solve for x
    x = 284,747,019,409,007,392/745,937,125.20
  6. Step 6: Final answer
    x = 381,730,590.68

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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.