Home / 440,339,969.10-660,509,953.65-133,631,589.90

Finding the Fourth Proportional to 440,339,969.10, 660,509,953.65 and 133,631,589.90

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Solution

The fourth proportional to 440,339,969.10, 660,509,953.65 and 133,631,589.90 is: 200,447,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,339,969.10 : 660,509,953.65 = 133,631,589.90 : x
  2. Step 2: Convert to fraction form
    440,339,969.10/660,509,953.65 = 133,631,589.90/x
  3. Step 3: Cross multiply
    440,339,969.10x = 660,509,953.65 × 133,631,589.90
  4. Step 4: Simplify right side
    440,339,969.10x = 88,264,995,251,024,816
  5. Step 5: Solve for x
    x = 88,264,995,251,024,816/440,339,969.10
  6. Step 6: Final answer
    x = 200,447,384.85

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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.