Home / 708,866,493.70-1,063,299,740.55-417,434,455.30

Finding the Fourth Proportional to 708,866,493.70, 1,063,299,740.55 and 417,434,455.30

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Solution

The fourth proportional to 708,866,493.70, 1,063,299,740.55 and 417,434,455.30 is: 626,151,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,866,493.70 : 1,063,299,740.55 = 417,434,455.30 : x
  2. Step 2: Convert to fraction form
    708,866,493.70/1,063,299,740.55 = 417,434,455.30/x
  3. Step 3: Cross multiply
    708,866,493.70x = 1,063,299,740.55 × 417,434,455.30
  4. Step 4: Simplify right side
    708,866,493.70x = 443,857,948,017,120,576
  5. Step 5: Solve for x
    x = 443,857,948,017,120,576/708,866,493.70
  6. Step 6: Final answer
    x = 626,151,682.95

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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.