Home / 1,419,957,417-2,129,835,110.40-437,281,488.48

Finding the Fourth Proportional to 1,419,957,417, 2,129,835,110.40 and 437,281,488.48

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Solution

The fourth proportional to 1,419,957,417, 2,129,835,110.40 and 437,281,488.48 is: 655,891,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,957,417 : 2,129,835,110.40 = 437,281,488.48 : x
  2. Step 2: Convert to fraction form
    1,419,957,417/2,129,835,110.40 = 437,281,488.48/x
  3. Step 3: Cross multiply
    1,419,957,417x = 2,129,835,110.40 × 437,281,488.48
  4. Step 4: Simplify right side
    1,419,957,417x = 931,337,467,292,677,248
  5. Step 5: Solve for x
    x = 931,337,467,292,677,248/1,419,957,417
  6. Step 6: Final answer
    x = 655,891,124.72

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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.