Home / 539,136,548.70-808,704,823.05-449,557,028.70

Finding the Fourth Proportional to 539,136,548.70, 808,704,823.05 and 449,557,028.70

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Solution

The fourth proportional to 539,136,548.70, 808,704,823.05 and 449,557,028.70 is: 674,335,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,548.70 : 808,704,823.05 = 449,557,028.70 : x
  2. Step 2: Convert to fraction form
    539,136,548.70/808,704,823.05 = 449,557,028.70/x
  3. Step 3: Cross multiply
    539,136,548.70x = 808,704,823.05 × 449,557,028.70
  4. Step 4: Simplify right side
    539,136,548.70x = 363,558,937,345,717,248
  5. Step 5: Solve for x
    x = 363,558,937,345,717,248/539,136,548.70
  6. Step 6: Final answer
    x = 674,335,543.05

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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.