Home / 647,044,400.10-970,566,600.15-493,989,392.10

Finding the Fourth Proportional to 647,044,400.10, 970,566,600.15 and 493,989,392.10

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Solution

The fourth proportional to 647,044,400.10, 970,566,600.15 and 493,989,392.10 is: 740,984,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,044,400.10 : 970,566,600.15 = 493,989,392.10 : x
  2. Step 2: Convert to fraction form
    647,044,400.10/970,566,600.15 = 493,989,392.10/x
  3. Step 3: Cross multiply
    647,044,400.10x = 970,566,600.15 × 493,989,392.10
  4. Step 4: Simplify right side
    647,044,400.10x = 479,449,604,800,662,272
  5. Step 5: Solve for x
    x = 479,449,604,800,662,272/647,044,400.10
  6. Step 6: Final answer
    x = 740,984,088.15

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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.