Home / 453,313,894.80-679,970,842.20-146,637,008.40

Finding the Fourth Proportional to 453,313,894.80, 679,970,842.20 and 146,637,008.40

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Solution

The fourth proportional to 453,313,894.80, 679,970,842.20 and 146,637,008.40 is: 219,955,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,313,894.80 : 679,970,842.20 = 146,637,008.40 : x
  2. Step 2: Convert to fraction form
    453,313,894.80/679,970,842.20 = 146,637,008.40/x
  3. Step 3: Cross multiply
    453,313,894.80x = 679,970,842.20 × 146,637,008.40
  4. Step 4: Simplify right side
    453,313,894.80x = 99,708,890,099,436,480
  5. Step 5: Solve for x
    x = 99,708,890,099,436,480/453,313,894.80
  6. Step 6: Final answer
    x = 219,955,512.60

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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.