Home / 979,819,373.32-1,352,148,367.86-533,786,401.82

Finding the Fourth Proportional to 979,819,373.32, 1,352,148,367.86 and 533,786,401.82

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Solution

The fourth proportional to 979,819,373.32, 1,352,148,367.86 and 533,786,401.82 is: 736,623,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,819,373.32 : 1,352,148,367.86 = 533,786,401.82 : x
  2. Step 2: Convert to fraction form
    979,819,373.32/1,352,148,367.86 = 533,786,401.82/x
  3. Step 3: Cross multiply
    979,819,373.32x = 1,352,148,367.86 × 533,786,401.82
  4. Step 4: Simplify right side
    979,819,373.32x = 721,758,412,010,155,392
  5. Step 5: Solve for x
    x = 721,758,412,010,155,392/979,819,373.32
  6. Step 6: Final answer
    x = 736,623,944.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.