Home / 539,136,474.70-808,704,712.05-449,556,954.70

Finding the Fourth Proportional to 539,136,474.70, 808,704,712.05 and 449,556,954.70

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Solution

The fourth proportional to 539,136,474.70, 808,704,712.05 and 449,556,954.70 is: 674,335,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,474.70 : 808,704,712.05 = 449,556,954.70 : x
  2. Step 2: Convert to fraction form
    539,136,474.70/808,704,712.05 = 449,556,954.70/x
  3. Step 3: Cross multiply
    539,136,474.70x = 808,704,712.05 × 449,556,954.70
  4. Step 4: Simplify right side
    539,136,474.70x = 363,558,827,600,738,368
  5. Step 5: Solve for x
    x = 363,558,827,600,738,368/539,136,474.70
  6. Step 6: Final answer
    x = 674,335,432.05

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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.