Home / 599,780,000.80-899,670,001.20-478,847,648.80

Finding the Fourth Proportional to 599,780,000.80, 899,670,001.20 and 478,847,648.80

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Solution

The fourth proportional to 599,780,000.80, 899,670,001.20 and 478,847,648.80 is: 718,271,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,780,000.80 : 899,670,001.20 = 478,847,648.80 : x
  2. Step 2: Convert to fraction form
    599,780,000.80/899,670,001.20 = 478,847,648.80/x
  3. Step 3: Cross multiply
    599,780,000.80x = 899,670,001.20 × 478,847,648.80
  4. Step 4: Simplify right side
    599,780,000.80x = 430,804,864,770,513,216
  5. Step 5: Solve for x
    x = 430,804,864,770,513,216/599,780,000.80
  6. Step 6: Final answer
    x = 718,271,473.20

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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.