Home / 671,519,136,708.40-1,006,253,728,980.90-398,706,161,594.80

Finding the Fourth Proportional to 671,519,136,708.40, 1,006,253,728,980.90 and 398,706,161,594.80

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Solution

The fourth proportional to 671,519,136,708.40, 1,006,253,728,980.90 and 398,706,161,594.80 is: 597,450,675,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,519,136,708.40 : 1,006,253,728,980.90 = 398,706,161,594.80 : x
  2. Step 2: Convert to fraction form
    671,519,136,708.40/1,006,253,728,980.90 = 398,706,161,594.80/x
  3. Step 3: Cross multiply
    671,519,136,708.40x = 1,006,253,728,980.90 × 398,706,161,594.80
  4. Step 4: Simplify right side
    671,519,136,708.40x = 401,199,561,872,428,815,613,952
  5. Step 5: Solve for x
    x = 401,199,561,872,428,815,613,952/671,519,136,708.40
  6. Step 6: Final answer
    x = 597,450,675,551.85

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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.