Home / 828,899,696.40-1,144,397,815.32-527,654,981.28

Finding the Fourth Proportional to 828,899,696.40, 1,144,397,815.32 and 527,654,981.28

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Solution

The fourth proportional to 828,899,696.40, 1,144,397,815.32 and 527,654,981.28 is: 728,492,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,899,696.40 : 1,144,397,815.32 = 527,654,981.28 : x
  2. Step 2: Convert to fraction form
    828,899,696.40/1,144,397,815.32 = 527,654,981.28/x
  3. Step 3: Cross multiply
    828,899,696.40x = 1,144,397,815.32 × 527,654,981.28
  4. Step 4: Simplify right side
    828,899,696.40x = 603,847,207,819,547,392
  5. Step 5: Solve for x
    x = 603,847,207,819,547,392/828,899,696.40
  6. Step 6: Final answer
    x = 728,492,494.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.