Home / 313,911,624.85-433,274,926.29-243,207,385.60

Finding the Fourth Proportional to 313,911,624.85, 433,274,926.29 and 243,207,385.60

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Solution

The fourth proportional to 313,911,624.85, 433,274,926.29 and 243,207,385.60 is: 335,685,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,911,624.85 : 433,274,926.29 = 243,207,385.60 : x
  2. Step 2: Convert to fraction form
    313,911,624.85/433,274,926.29 = 243,207,385.60/x
  3. Step 3: Cross multiply
    313,911,624.85x = 433,274,926.29 × 243,207,385.60
  4. Step 4: Simplify right side
    313,911,624.85x = 105,375,662,069,023,616
  5. Step 5: Solve for x
    x = 105,375,662,069,023,616/313,911,624.85
  6. Step 6: Final answer
    x = 335,685,759.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.