Home / 828,899,631.85-1,144,397,726.25-527,654,916.70

Finding the Fourth Proportional to 828,899,631.85, 1,144,397,726.25 and 527,654,916.70

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Solution

The fourth proportional to 828,899,631.85, 1,144,397,726.25 and 527,654,916.70 is: 728,492,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,899,631.85 : 1,144,397,726.25 = 527,654,916.70 : x
  2. Step 2: Convert to fraction form
    828,899,631.85/1,144,397,726.25 = 527,654,916.70/x
  3. Step 3: Cross multiply
    828,899,631.85x = 1,144,397,726.25 × 527,654,916.70
  4. Step 4: Simplify right side
    828,899,631.85x = 603,847,086,916,113,152
  5. Step 5: Solve for x
    x = 603,847,086,916,113,152/828,899,631.85
  6. Step 6: Final answer
    x = 728,492,405.73

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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.