Home / 476,990,700.53-715,486,300.40-149,491,720.50

Finding the Fourth Proportional to 476,990,700.53, 715,486,300.40 and 149,491,720.50

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Solution

The fourth proportional to 476,990,700.53, 715,486,300.40 and 149,491,720.50 is: 224,237,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,990,700.53 : 715,486,300.40 = 149,491,720.50 : x
  2. Step 2: Convert to fraction form
    476,990,700.53/715,486,300.40 = 149,491,720.50/x
  3. Step 3: Cross multiply
    476,990,700.53x = 715,486,300.40 × 149,491,720.50
  4. Step 4: Simplify right side
    476,990,700.53x = 106,959,278,038,666,496
  5. Step 5: Solve for x
    x = 106,959,278,038,666,496/476,990,700.53
  6. Step 6: Final answer
    x = 224,237,658.97

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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.