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Finding the Fourth Proportional to 708,736,000.60, 1,063,104,000.90 and 435,219,866.20

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Solution

The fourth proportional to 708,736,000.60, 1,063,104,000.90 and 435,219,866.20 is: 652,829,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,736,000.60 : 1,063,104,000.90 = 435,219,866.20 : x
  2. Step 2: Convert to fraction form
    708,736,000.60/1,063,104,000.90 = 435,219,866.20/x
  3. Step 3: Cross multiply
    708,736,000.60x = 1,063,104,000.90 × 435,219,866.20
  4. Step 4: Simplify right side
    708,736,000.60x = 462,683,981,028,382,656
  5. Step 5: Solve for x
    x = 462,683,981,028,382,656/708,736,000.60
  6. Step 6: Final answer
    x = 652,829,799.30

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1.5x scale

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.