Home / 526,449,691,457.77-789,123,389,824.95-220,314,869,929.92

Finding the Fourth Proportional to 526,449,691,457.77, 789,123,389,824.95 and 220,314,869,929.92

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Solution

The fourth proportional to 526,449,691,457.77, 789,123,389,824.95 and 220,314,869,929.92 is: 330,241,654,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,449,691,457.77 : 789,123,389,824.95 = 220,314,869,929.92 : x
  2. Step 2: Convert to fraction form
    526,449,691,457.77/789,123,389,824.95 = 220,314,869,929.92/x
  3. Step 3: Cross multiply
    526,449,691,457.77x = 789,123,389,824.95 × 220,314,869,929.92
  4. Step 4: Simplify right side
    526,449,691,457.77x = 173,855,616,987,941,417,517,056
  5. Step 5: Solve for x
    x = 173,855,616,987,941,417,517,056/526,449,691,457.77
  6. Step 6: Final answer
    x = 330,241,654,252.90

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1.5x scale

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.