Home / 342,069,934.80-513,104,902.20-299,023,213.80

Finding the Fourth Proportional to 342,069,934.80, 513,104,902.20 and 299,023,213.80

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Solution

The fourth proportional to 342,069,934.80, 513,104,902.20 and 299,023,213.80 is: 448,534,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,069,934.80 : 513,104,902.20 = 299,023,213.80 : x
  2. Step 2: Convert to fraction form
    342,069,934.80/513,104,902.20 = 299,023,213.80/x
  3. Step 3: Cross multiply
    342,069,934.80x = 513,104,902.20 × 299,023,213.80
  4. Step 4: Simplify right side
    342,069,934.80x = 153,430,276,872,378,688
  5. Step 5: Solve for x
    x = 153,430,276,872,378,688/342,069,934.80
  6. Step 6: Final answer
    x = 448,534,820.70

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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.