Home / 318,482,866,498.43-439,506,338,957.39-171,995,313,811.95

Finding the Fourth Proportional to 318,482,866,498.43, 439,506,338,957.39 and 171,995,313,811.95

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Solution

The fourth proportional to 318,482,866,498.43, 439,506,338,957.39 and 171,995,313,811.95 is: 237,353,523,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,482,866,498.43 : 439,506,338,957.39 = 171,995,313,811.95 : x
  2. Step 2: Convert to fraction form
    318,482,866,498.43/439,506,338,957.39 = 171,995,313,811.95/x
  3. Step 3: Cross multiply
    318,482,866,498.43x = 439,506,338,957.39 × 171,995,313,811.95
  4. Step 4: Simplify right side
    318,482,866,498.43x = 75,593,030,691,317,570,600,960
  5. Step 5: Solve for x
    x = 75,593,030,691,317,570,600,960/318,482,866,498.43
  6. Step 6: Final answer
    x = 237,353,523,982.08

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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.