Home / 376,358,051.29-519,343,661.18-217,598,360.18

Finding the Fourth Proportional to 376,358,051.29, 519,343,661.18 and 217,598,360.18

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Solution

The fourth proportional to 376,358,051.29, 519,343,661.18 and 217,598,360.18 is: 300,268,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,358,051.29 : 519,343,661.18 = 217,598,360.18 : x
  2. Step 2: Convert to fraction form
    376,358,051.29/519,343,661.18 = 217,598,360.18/x
  3. Step 3: Cross multiply
    376,358,051.29x = 519,343,661.18 × 217,598,360.18
  4. Step 4: Simplify right side
    376,358,051.29x = 113,008,329,040,592,816
  5. Step 5: Solve for x
    x = 113,008,329,040,592,816/376,358,051.29
  6. Step 6: Final answer
    x = 300,268,132.05

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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.