Home / 756,680,688.80-1,135,021,033.20-347,736,839.30

Finding the Fourth Proportional to 756,680,688.80, 1,135,021,033.20 and 347,736,839.30

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Solution

The fourth proportional to 756,680,688.80, 1,135,021,033.20 and 347,736,839.30 is: 521,605,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,680,688.80 : 1,135,021,033.20 = 347,736,839.30 : x
  2. Step 2: Convert to fraction form
    756,680,688.80/1,135,021,033.20 = 347,736,839.30/x
  3. Step 3: Cross multiply
    756,680,688.80x = 1,135,021,033.20 × 347,736,839.30
  4. Step 4: Simplify right side
    756,680,688.80x = 394,688,626,623,988,416
  5. Step 5: Solve for x
    x = 394,688,626,623,988,416/756,680,688.80
  6. Step 6: Final answer
    x = 521,605,258.95

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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.