Home / 1,542,044,716.40-2,313,286,703.98-478,559,447.80

Finding the Fourth Proportional to 1,542,044,716.40, 2,313,286,703.98 and 478,559,447.80

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Solution

The fourth proportional to 1,542,044,716.40, 2,313,286,703.98 and 478,559,447.80 is: 717,907,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,044,716.40 : 2,313,286,703.98 = 478,559,447.80 : x
  2. Step 2: Convert to fraction form
    1,542,044,716.40/2,313,286,703.98 = 478,559,447.80/x
  3. Step 3: Cross multiply
    1,542,044,716.40x = 2,313,286,703.98 × 478,559,447.80
  4. Step 4: Simplify right side
    1,542,044,716.40x = 1,107,045,207,652,723,328
  5. Step 5: Solve for x
    x = 1,107,045,207,652,723,328/1,542,044,716.40
  6. Step 6: Final answer
    x = 717,907,331.66

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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.