Home / 488,420,807.20-732,631,210.80-474,265,031.20

Finding the Fourth Proportional to 488,420,807.20, 732,631,210.80 and 474,265,031.20

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Solution

The fourth proportional to 488,420,807.20, 732,631,210.80 and 474,265,031.20 is: 711,397,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,420,807.20 : 732,631,210.80 = 474,265,031.20 : x
  2. Step 2: Convert to fraction form
    488,420,807.20/732,631,210.80 = 474,265,031.20/x
  3. Step 3: Cross multiply
    488,420,807.20x = 732,631,210.80 × 474,265,031.20
  4. Step 4: Simplify right side
    488,420,807.20x = 347,461,364,048,155,776
  5. Step 5: Solve for x
    x = 347,461,364,048,155,776/488,420,807.20
  6. Step 6: Final answer
    x = 711,397,546.80

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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.