Home / 344,739,862.20-517,109,793.30-312,995,119.80

Finding the Fourth Proportional to 344,739,862.20, 517,109,793.30 and 312,995,119.80

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Solution

The fourth proportional to 344,739,862.20, 517,109,793.30 and 312,995,119.80 is: 469,492,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,739,862.20 : 517,109,793.30 = 312,995,119.80 : x
  2. Step 2: Convert to fraction form
    344,739,862.20/517,109,793.30 = 312,995,119.80/x
  3. Step 3: Cross multiply
    344,739,862.20x = 517,109,793.30 × 312,995,119.80
  4. Step 4: Simplify right side
    344,739,862.20x = 161,852,841,703,686,752
  5. Step 5: Solve for x
    x = 161,852,841,703,686,752/344,739,862.20
  6. Step 6: Final answer
    x = 469,492,679.70

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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.