Home / 1,419,942,639-2,130,142,829-437,368,721.88

Finding the Fourth Proportional to 1,419,942,639, 2,130,142,829 and 437,368,721.88

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Solution

The fourth proportional to 1,419,942,639, 2,130,142,829 and 437,368,721.88 is: 656,123,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,942,639 : 2,130,142,829 = 437,368,721.88 : x
  2. Step 2: Convert to fraction form
    1,419,942,639/2,130,142,829 = 437,368,721.88/x
  3. Step 3: Cross multiply
    1,419,942,639x = 2,130,142,829 × 437,368,721.88
  4. Step 4: Simplify right side
    1,419,942,639x = 931,657,846,541,577,344
  5. Step 5: Solve for x
    x = 931,657,846,541,577,344/1,419,942,639
  6. Step 6: Final answer
    x = 656,123,579.19

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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.