Home / 708,866,500.20-1,063,299,750.30-417,434,461.80

Finding the Fourth Proportional to 708,866,500.20, 1,063,299,750.30 and 417,434,461.80

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Solution

The fourth proportional to 708,866,500.20, 1,063,299,750.30 and 417,434,461.80 is: 626,151,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,866,500.20 : 1,063,299,750.30 = 417,434,461.80 : x
  2. Step 2: Convert to fraction form
    708,866,500.20/1,063,299,750.30 = 417,434,461.80/x
  3. Step 3: Cross multiply
    708,866,500.20x = 1,063,299,750.30 × 417,434,461.80
  4. Step 4: Simplify right side
    708,866,500.20x = 443,857,958,998,554,880
  5. Step 5: Solve for x
    x = 443,857,958,998,554,880/708,866,500.20
  6. Step 6: Final answer
    x = 626,151,692.70

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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.