Home / 1,152,462,590.28-1,728,577,545.12-781,353,298.80

Finding the Fourth Proportional to 1,152,462,590.28, 1,728,577,545.12 and 781,353,298.80

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Solution

The fourth proportional to 1,152,462,590.28, 1,728,577,545.12 and 781,353,298.80 is: 1,171,951,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,462,590.28 : 1,728,577,545.12 = 781,353,298.80 : x
  2. Step 2: Convert to fraction form
    1,152,462,590.28/1,728,577,545.12 = 781,353,298.80/x
  3. Step 3: Cross multiply
    1,152,462,590.28x = 1,728,577,545.12 × 781,353,298.80
  4. Step 4: Simplify right side
    1,152,462,590.28x = 1,350,629,767,111,117,568
  5. Step 5: Solve for x
    x = 1,350,629,767,111,117,568/1,152,462,590.28
  6. Step 6: Final answer
    x = 1,171,951,071.13

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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.