Home / 755,271,530.88-1,133,028,364.08-318,636,530.76

Finding the Fourth Proportional to 755,271,530.88, 1,133,028,364.08 and 318,636,530.76

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Solution

The fourth proportional to 755,271,530.88, 1,133,028,364.08 and 318,636,530.76 is: 478,005,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,271,530.88 : 1,133,028,364.08 = 318,636,530.76 : x
  2. Step 2: Convert to fraction form
    755,271,530.88/1,133,028,364.08 = 318,636,530.76/x
  3. Step 3: Cross multiply
    755,271,530.88x = 1,133,028,364.08 × 318,636,530.76
  4. Step 4: Simplify right side
    755,271,530.88x = 361,024,227,183,129,344
  5. Step 5: Solve for x
    x = 361,024,227,183,129,344/755,271,530.88
  6. Step 6: Final answer
    x = 478,005,872.62

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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.