Home / 322,659,411.20-483,989,116.80-92,608,006.40

Finding the Fourth Proportional to 322,659,411.20, 483,989,116.80 and 92,608,006.40

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Solution

The fourth proportional to 322,659,411.20, 483,989,116.80 and 92,608,006.40 is: 138,912,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,659,411.20 : 483,989,116.80 = 92,608,006.40 : x
  2. Step 2: Convert to fraction form
    322,659,411.20/483,989,116.80 = 92,608,006.40/x
  3. Step 3: Cross multiply
    322,659,411.20x = 483,989,116.80 × 92,608,006.40
  4. Step 4: Simplify right side
    322,659,411.20x = 44,821,267,226,144,752
  5. Step 5: Solve for x
    x = 44,821,267,226,144,752/322,659,411.20
  6. Step 6: Final answer
    x = 138,912,009.60

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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.