Home / 917,568,005.10-1,376,352,007.65-817,238,942.70

Finding the Fourth Proportional to 917,568,005.10, 1,376,352,007.65 and 817,238,942.70

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Solution

The fourth proportional to 917,568,005.10, 1,376,352,007.65 and 817,238,942.70 is: 1,225,858,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,568,005.10 : 1,376,352,007.65 = 817,238,942.70 : x
  2. Step 2: Convert to fraction form
    917,568,005.10/1,376,352,007.65 = 817,238,942.70/x
  3. Step 3: Cross multiply
    917,568,005.10x = 1,376,352,007.65 × 817,238,942.70
  4. Step 4: Simplify right side
    917,568,005.10x = 1,124,808,459,514,908,416
  5. Step 5: Solve for x
    x = 1,124,808,459,514,908,416/917,568,005.10
  6. Step 6: Final answer
    x = 1,225,858,414.05

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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.