Home / 436,981,970.10-655,724,897.55-164,548,254.90

Finding the Fourth Proportional to 436,981,970.10, 655,724,897.55 and 164,548,254.90

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Solution

The fourth proportional to 436,981,970.10, 655,724,897.55 and 164,548,254.90 is: 246,917,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,981,970.10 : 655,724,897.55 = 164,548,254.90 : x
  2. Step 2: Convert to fraction form
    436,981,970.10/655,724,897.55 = 164,548,254.90/x
  3. Step 3: Cross multiply
    436,981,970.10x = 655,724,897.55 × 164,548,254.90
  4. Step 4: Simplify right side
    436,981,970.10x = 107,898,387,586,333,776
  5. Step 5: Solve for x
    x = 107,898,387,586,333,776/436,981,970.10
  6. Step 6: Final answer
    x = 246,917,252.81

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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.