Home / 726,991,387.92-1,010,021,080.32-718,274,426.40

Finding the Fourth Proportional to 726,991,387.92, 1,010,021,080.32 and 718,274,426.40

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Solution

The fourth proportional to 726,991,387.92, 1,010,021,080.32 and 718,274,426.40 is: 997,910,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,991,387.92 : 1,010,021,080.32 = 718,274,426.40 : x
  2. Step 2: Convert to fraction form
    726,991,387.92/1,010,021,080.32 = 718,274,426.40/x
  3. Step 3: Cross multiply
    726,991,387.92x = 1,010,021,080.32 × 718,274,426.40
  4. Step 4: Simplify right side
    726,991,387.92x = 725,472,312,118,756,352
  5. Step 5: Solve for x
    x = 725,472,312,118,756,352/726,991,387.92
  6. Step 6: Final answer
    x = 997,910,462.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.