Home / 614,208,077.20-921,312,115.80-199,684,097.20

Finding the Fourth Proportional to 614,208,077.20, 921,312,115.80 and 199,684,097.20

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Solution

The fourth proportional to 614,208,077.20, 921,312,115.80 and 199,684,097.20 is: 299,526,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,208,077.20 : 921,312,115.80 = 199,684,097.20 : x
  2. Step 2: Convert to fraction form
    614,208,077.20/921,312,115.80 = 199,684,097.20/x
  3. Step 3: Cross multiply
    614,208,077.20x = 921,312,115.80 × 199,684,097.20
  4. Step 4: Simplify right side
    614,208,077.20x = 183,971,378,082,944,832
  5. Step 5: Solve for x
    x = 183,971,378,082,944,832/614,208,077.20
  6. Step 6: Final answer
    x = 299,526,145.80

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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.