Home / 828,899,648.74-1,144,397,749.53-527,654,933.50

Finding the Fourth Proportional to 828,899,648.74, 1,144,397,749.53 and 527,654,933.50

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Solution

The fourth proportional to 828,899,648.74, 1,144,397,749.53 and 527,654,933.50 is: 728,492,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,899,648.74 : 1,144,397,749.53 = 527,654,933.50 : x
  2. Step 2: Convert to fraction form
    828,899,648.74/1,144,397,749.53 = 527,654,933.50/x
  3. Step 3: Cross multiply
    828,899,648.74x = 1,144,397,749.53 × 527,654,933.50
  4. Step 4: Simplify right side
    828,899,648.74x = 603,847,118,425,801,728
  5. Step 5: Solve for x
    x = 603,847,118,425,801,728/828,899,648.74
  6. Step 6: Final answer
    x = 728,492,428.90

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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.