Home / 618,253,819.20-927,492,703.20-310,772,116.80

Finding the Fourth Proportional to 618,253,819.20, 927,492,703.20 and 310,772,116.80

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Solution

The fourth proportional to 618,253,819.20, 927,492,703.20 and 310,772,116.80 is: 466,214,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,253,819.20 : 927,492,703.20 = 310,772,116.80 : x
  2. Step 2: Convert to fraction form
    618,253,819.20/927,492,703.20 = 310,772,116.80/x
  3. Step 3: Cross multiply
    618,253,819.20x = 927,492,703.20 × 310,772,116.80
  4. Step 4: Simplify right side
    618,253,819.20x = 288,238,870,690,018,176
  5. Step 5: Solve for x
    x = 288,238,870,690,018,176/618,253,819.20
  6. Step 6: Final answer
    x = 466,214,460.37

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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.