Home / 374,702,199.18-517,143,149.04-215,901,919.71

Finding the Fourth Proportional to 374,702,199.18, 517,143,149.04 and 215,901,919.71

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Solution

The fourth proportional to 374,702,199.18, 517,143,149.04 and 215,901,919.71 is: 297,975,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,702,199.18 : 517,143,149.04 = 215,901,919.71 : x
  2. Step 2: Convert to fraction form
    374,702,199.18/517,143,149.04 = 215,901,919.71/x
  3. Step 3: Cross multiply
    374,702,199.18x = 517,143,149.04 × 215,901,919.71
  4. Step 4: Simplify right side
    374,702,199.18x = 111,652,198,642,610,656
  5. Step 5: Solve for x
    x = 111,652,198,642,610,656/374,702,199.18
  6. Step 6: Final answer
    x = 297,975,829.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.