Home / 252,318,628,210.53-378,478,912,756.35-61,090,347,292.86

Finding the Fourth Proportional to 252,318,628,210.53, 378,478,912,756.35 and 61,090,347,292.86

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Solution

The fourth proportional to 252,318,628,210.53, 378,478,912,756.35 and 61,090,347,292.86 is: 91,635,755,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,318,628,210.53 : 378,478,912,756.35 = 61,090,347,292.86 : x
  2. Step 2: Convert to fraction form
    252,318,628,210.53/378,478,912,756.35 = 61,090,347,292.86/x
  3. Step 3: Cross multiply
    252,318,628,210.53x = 378,478,912,756.35 × 61,090,347,292.86
  4. Step 4: Simplify right side
    252,318,628,210.53x = 23,121,408,223,309,480,329,216
  5. Step 5: Solve for x
    x = 23,121,408,223,309,480,329,216/252,318,628,210.53
  6. Step 6: Final answer
    x = 91,635,755,898.36

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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.