Home / 398,601,217.80-597,901,826.70-334,103,963.40

Finding the Fourth Proportional to 398,601,217.80, 597,901,826.70 and 334,103,963.40

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Solution

The fourth proportional to 398,601,217.80, 597,901,826.70 and 334,103,963.40 is: 501,155,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,217.80 : 597,901,826.70 = 334,103,963.40 : x
  2. Step 2: Convert to fraction form
    398,601,217.80/597,901,826.70 = 334,103,963.40/x
  3. Step 3: Cross multiply
    398,601,217.80x = 597,901,826.70 × 334,103,963.40
  4. Step 4: Simplify right side
    398,601,217.80x = 199,761,370,024,569,952
  5. Step 5: Solve for x
    x = 199,761,370,024,569,952/398,601,217.80
  6. Step 6: Final answer
    x = 501,155,945.10

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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.