Home / 827,144,679.40-1,240,717,019.10-736,746,565.30

Finding the Fourth Proportional to 827,144,679.40, 1,240,717,019.10 and 736,746,565.30

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Solution

The fourth proportional to 827,144,679.40, 1,240,717,019.10 and 736,746,565.30 is: 1,105,119,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,144,679.40 : 1,240,717,019.10 = 736,746,565.30 : x
  2. Step 2: Convert to fraction form
    827,144,679.40/1,240,717,019.10 = 736,746,565.30/x
  3. Step 3: Cross multiply
    827,144,679.40x = 1,240,717,019.10 × 736,746,565.30
  4. Step 4: Simplify right side
    827,144,679.40x = 914,094,002,331,179,392
  5. Step 5: Solve for x
    x = 914,094,002,331,179,392/827,144,679.40
  6. Step 6: Final answer
    x = 1,105,119,847.95

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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.