Home / 787,926,564.20-1,181,889,846.30-724,437,079.40

Finding the Fourth Proportional to 787,926,564.20, 1,181,889,846.30 and 724,437,079.40

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Solution

The fourth proportional to 787,926,564.20, 1,181,889,846.30 and 724,437,079.40 is: 1,086,655,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,926,564.20 : 1,181,889,846.30 = 724,437,079.40 : x
  2. Step 2: Convert to fraction form
    787,926,564.20/1,181,889,846.30 = 724,437,079.40/x
  3. Step 3: Cross multiply
    787,926,564.20x = 1,181,889,846.30 × 724,437,079.40
  4. Step 4: Simplify right side
    787,926,564.20x = 856,204,828,426,086,784
  5. Step 5: Solve for x
    x = 856,204,828,426,086,784/787,926,564.20
  6. Step 6: Final answer
    x = 1,086,655,619.10

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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.