Home / 774,147,817.60-1,161,221,726.40-756,231,913.60

Finding the Fourth Proportional to 774,147,817.60, 1,161,221,726.40 and 756,231,913.60

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Solution

The fourth proportional to 774,147,817.60, 1,161,221,726.40 and 756,231,913.60 is: 1,134,347,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,147,817.60 : 1,161,221,726.40 = 756,231,913.60 : x
  2. Step 2: Convert to fraction form
    774,147,817.60/1,161,221,726.40 = 756,231,913.60/x
  3. Step 3: Cross multiply
    774,147,817.60x = 1,161,221,726.40 × 756,231,913.60
  4. Step 4: Simplify right side
    774,147,817.60x = 878,152,928,269,367,680
  5. Step 5: Solve for x
    x = 878,152,928,269,367,680/774,147,817.60
  6. Step 6: Final answer
    x = 1,134,347,870.40

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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.