Home / 803,242,118.52-1,199,454,132.87-655,981,808.94

Finding the Fourth Proportional to 803,242,118.52, 1,199,454,132.87 and 655,981,808.94

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Solution

The fourth proportional to 803,242,118.52, 1,199,454,132.87 and 655,981,808.94 is: 979,555,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,242,118.52 : 1,199,454,132.87 = 655,981,808.94 : x
  2. Step 2: Convert to fraction form
    803,242,118.52/1,199,454,132.87 = 655,981,808.94/x
  3. Step 3: Cross multiply
    803,242,118.52x = 1,199,454,132.87 × 655,981,808.94
  4. Step 4: Simplify right side
    803,242,118.52x = 786,820,091,820,621,696
  5. Step 5: Solve for x
    x = 786,820,091,820,621,696/803,242,118.52
  6. Step 6: Final answer
    x = 979,555,321.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.