Home / 334,430,509.70-502,023,678.15-198,192,656.90

Finding the Fourth Proportional to 334,430,509.70, 502,023,678.15 and 198,192,656.90

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Solution

The fourth proportional to 334,430,509.70, 502,023,678.15 and 198,192,656.90 is: 297,512,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,430,509.70 : 502,023,678.15 = 198,192,656.90 : x
  2. Step 2: Convert to fraction form
    334,430,509.70/502,023,678.15 = 198,192,656.90/x
  3. Step 3: Cross multiply
    334,430,509.70x = 502,023,678.15 × 198,192,656.90
  4. Step 4: Simplify right side
    334,430,509.70x = 99,497,406,599,258,976
  5. Step 5: Solve for x
    x = 99,497,406,599,258,976/334,430,509.70
  6. Step 6: Final answer
    x = 297,512,947.27

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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.