Home / 828,899,648.02-1,144,397,748.50-527,654,932.84

Finding the Fourth Proportional to 828,899,648.02, 1,144,397,748.50 and 527,654,932.84

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Solution

The fourth proportional to 828,899,648.02, 1,144,397,748.50 and 527,654,932.84 is: 728,492,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,899,648.02 : 1,144,397,748.50 = 527,654,932.84 : x
  2. Step 2: Convert to fraction form
    828,899,648.02/1,144,397,748.50 = 527,654,932.84/x
  3. Step 3: Cross multiply
    828,899,648.02x = 1,144,397,748.50 × 527,654,932.84
  4. Step 4: Simplify right side
    828,899,648.02x = 603,847,117,124,376,320
  5. Step 5: Solve for x
    x = 603,847,117,124,376,320/828,899,648.02
  6. Step 6: Final answer
    x = 728,492,427.96

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Double scale
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1.5x scale

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.