Home / 979,819,372.99-1,352,148,367.31-533,786,401.47

Finding the Fourth Proportional to 979,819,372.99, 1,352,148,367.31 and 533,786,401.47

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Solution

The fourth proportional to 979,819,372.99, 1,352,148,367.31 and 533,786,401.47 is: 736,623,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,819,372.99 : 1,352,148,367.31 = 533,786,401.47 : x
  2. Step 2: Convert to fraction form
    979,819,372.99/1,352,148,367.31 = 533,786,401.47/x
  3. Step 3: Cross multiply
    979,819,372.99x = 1,352,148,367.31 × 533,786,401.47
  4. Step 4: Simplify right side
    979,819,372.99x = 721,758,411,237,271,808
  5. Step 5: Solve for x
    x = 721,758,411,237,271,808/979,819,372.99
  6. Step 6: Final answer
    x = 736,623,944.30

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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.