Home / 979,819,372.94-1,352,148,367.34-533,786,401.45

Finding the Fourth Proportional to 979,819,372.94, 1,352,148,367.34 and 533,786,401.45

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Solution

The fourth proportional to 979,819,372.94, 1,352,148,367.34 and 533,786,401.45 is: 736,623,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,819,372.94 : 1,352,148,367.34 = 533,786,401.45 : x
  2. Step 2: Convert to fraction form
    979,819,372.94/1,352,148,367.34 = 533,786,401.45/x
  3. Step 3: Cross multiply
    979,819,372.94x = 1,352,148,367.34 × 533,786,401.45
  4. Step 4: Simplify right side
    979,819,372.94x = 721,758,411,226,865,408
  5. Step 5: Solve for x
    x = 721,758,411,226,865,408/979,819,372.94
  6. Step 6: Final answer
    x = 736,623,944.33

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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.