Home / 803,242,095.10-1,199,454,097.86-655,981,785.58

Finding the Fourth Proportional to 803,242,095.10, 1,199,454,097.86 and 655,981,785.58

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Solution

The fourth proportional to 803,242,095.10, 1,199,454,097.86 and 655,981,785.58 is: 979,555,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,242,095.10 : 1,199,454,097.86 = 655,981,785.58 : x
  2. Step 2: Convert to fraction form
    803,242,095.10/1,199,454,097.86 = 655,981,785.58/x
  3. Step 3: Cross multiply
    803,242,095.10x = 1,199,454,097.86 × 655,981,785.58
  4. Step 4: Simplify right side
    803,242,095.10x = 786,820,040,835,450,880
  5. Step 5: Solve for x
    x = 786,820,040,835,450,880/803,242,095.10
  6. Step 6: Final answer
    x = 979,555,286.80

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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.