Home / 827,146,403.40-1,240,719,605.10-736,748,289.30

Finding the Fourth Proportional to 827,146,403.40, 1,240,719,605.10 and 736,748,289.30

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Solution

The fourth proportional to 827,146,403.40, 1,240,719,605.10 and 736,748,289.30 is: 1,105,122,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,146,403.40 : 1,240,719,605.10 = 736,748,289.30 : x
  2. Step 2: Convert to fraction form
    827,146,403.40/1,240,719,605.10 = 736,748,289.30/x
  3. Step 3: Cross multiply
    827,146,403.40x = 1,240,719,605.10 × 736,748,289.30
  4. Step 4: Simplify right side
    827,146,403.40x = 914,098,046,558,396,416
  5. Step 5: Solve for x
    x = 914,098,046,558,396,416/827,146,403.40
  6. Step 6: Final answer
    x = 1,105,122,433.95

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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.