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Finding the Fourth Proportional to 599,780,001.80, 899,670,002.70 and 478,847,649.80

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Solution

The fourth proportional to 599,780,001.80, 899,670,002.70 and 478,847,649.80 is: 718,271,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,780,001.80 : 899,670,002.70 = 478,847,649.80 : x
  2. Step 2: Convert to fraction form
    599,780,001.80/899,670,002.70 = 478,847,649.80/x
  3. Step 3: Cross multiply
    599,780,001.80x = 899,670,002.70 × 478,847,649.80
  4. Step 4: Simplify right side
    599,780,001.80x = 430,804,866,388,454,720
  5. Step 5: Solve for x
    x = 430,804,866,388,454,720/599,780,001.80
  6. Step 6: Final answer
    x = 718,271,474.70

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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.