Home / 28,347,755,543.16-42,491,931,167.94-13,208,843,684.91

Finding the Fourth Proportional to 28,347,755,543.16, 42,491,931,167.94 and 13,208,843,684.91

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Solution

The fourth proportional to 28,347,755,543.16, 42,491,931,167.94 and 13,208,843,684.91 is: 19,799,425,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347,755,543.16 : 42,491,931,167.94 = 13,208,843,684.91 : x
  2. Step 2: Convert to fraction form
    28,347,755,543.16/42,491,931,167.94 = 13,208,843,684.91/x
  3. Step 3: Cross multiply
    28,347,755,543.16x = 42,491,931,167.94 × 13,208,843,684.91
  4. Step 4: Simplify right side
    28,347,755,543.16x = 561,269,276,667,274,723,328
  5. Step 5: Solve for x
    x = 561,269,276,667,274,723,328/28,347,755,543.16
  6. Step 6: Final answer
    x = 19,799,425,595.18

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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.