Home / 647,044,337.10-970,566,505.65-493,989,329.10

Finding the Fourth Proportional to 647,044,337.10, 970,566,505.65 and 493,989,329.10

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Solution

The fourth proportional to 647,044,337.10, 970,566,505.65 and 493,989,329.10 is: 740,983,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,044,337.10 : 970,566,505.65 = 493,989,329.10 : x
  2. Step 2: Convert to fraction form
    647,044,337.10/970,566,505.65 = 493,989,329.10/x
  3. Step 3: Cross multiply
    647,044,337.10x = 970,566,505.65 × 493,989,329.10
  4. Step 4: Simplify right side
    647,044,337.10x = 479,449,496,972,974,848
  5. Step 5: Solve for x
    x = 479,449,496,972,974,848/647,044,337.10
  6. Step 6: Final answer
    x = 740,983,993.65

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Double scale
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Similar ratio
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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.