Home / 342,188,974.20-512,905,547.70-188,945,009.40

Finding the Fourth Proportional to 342,188,974.20, 512,905,547.70 and 188,945,009.40

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Solution

The fourth proportional to 342,188,974.20, 512,905,547.70 and 188,945,009.40 is: 283,208,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,188,974.20 : 512,905,547.70 = 188,945,009.40 : x
  2. Step 2: Convert to fraction form
    342,188,974.20/512,905,547.70 = 188,945,009.40/x
  3. Step 3: Cross multiply
    342,188,974.20x = 512,905,547.70 × 188,945,009.40
  4. Step 4: Simplify right side
    342,188,974.20x = 96,910,943,531,488,656
  5. Step 5: Solve for x
    x = 96,910,943,531,488,656/342,188,974.20
  6. Step 6: Final answer
    x = 283,208,843.18

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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.