Home / 1,419,942,435.83-2,130,142,523.95-437,368,518.20

Finding the Fourth Proportional to 1,419,942,435.83, 2,130,142,523.95 and 437,368,518.20

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Solution

The fourth proportional to 1,419,942,435.83, 2,130,142,523.95 and 437,368,518.20 is: 656,123,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,942,435.83 : 2,130,142,523.95 = 437,368,518.20 : x
  2. Step 2: Convert to fraction form
    1,419,942,435.83/2,130,142,523.95 = 437,368,518.20/x
  3. Step 3: Cross multiply
    1,419,942,435.83x = 2,130,142,523.95 × 437,368,518.20
  4. Step 4: Simplify right side
    1,419,942,435.83x = 931,657,279,260,713,344
  5. Step 5: Solve for x
    x = 931,657,279,260,713,344/1,419,942,435.83
  6. Step 6: Final answer
    x = 656,123,273.56

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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.