Home / 1,419,957,419-2,129,835,113.40-437,281,490.48

Finding the Fourth Proportional to 1,419,957,419, 2,129,835,113.40 and 437,281,490.48

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Solution

The fourth proportional to 1,419,957,419, 2,129,835,113.40 and 437,281,490.48 is: 655,891,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,957,419 : 2,129,835,113.40 = 437,281,490.48 : x
  2. Step 2: Convert to fraction form
    1,419,957,419/2,129,835,113.40 = 437,281,490.48/x
  3. Step 3: Cross multiply
    1,419,957,419x = 2,129,835,113.40 × 437,281,490.48
  4. Step 4: Simplify right side
    1,419,957,419x = 931,337,472,864,191,872
  5. Step 5: Solve for x
    x = 931,337,472,864,191,872/1,419,957,419
  6. Step 6: Final answer
    x = 655,891,127.72

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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.