Home / 572,287,409.10-858,431,113.65-141,465,905.10

Finding the Fourth Proportional to 572,287,409.10, 858,431,113.65 and 141,465,905.10

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Solution

The fourth proportional to 572,287,409.10, 858,431,113.65 and 141,465,905.10 is: 212,198,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,287,409.10 : 858,431,113.65 = 141,465,905.10 : x
  2. Step 2: Convert to fraction form
    572,287,409.10/858,431,113.65 = 141,465,905.10/x
  3. Step 3: Cross multiply
    572,287,409.10x = 858,431,113.65 × 141,465,905.10
  4. Step 4: Simplify right side
    572,287,409.10x = 121,438,734,458,498,208
  5. Step 5: Solve for x
    x = 121,438,734,458,498,208/572,287,409.10
  6. Step 6: Final answer
    x = 212,198,857.65

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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.