Home / 482,992,923.40-724,135,091.10-191,716,016.20

Finding the Fourth Proportional to 482,992,923.40, 724,135,091.10 and 191,716,016.20

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Solution

The fourth proportional to 482,992,923.40, 724,135,091.10 and 191,716,016.20 is: 287,433,393.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,992,923.40 : 724,135,091.10 = 191,716,016.20 : x
  2. Step 2: Convert to fraction form
    482,992,923.40/724,135,091.10 = 191,716,016.20/x
  3. Step 3: Cross multiply
    482,992,923.40x = 724,135,091.10 × 191,716,016.20
  4. Step 4: Simplify right side
    482,992,923.40x = 138,828,294,856,316,064
  5. Step 5: Solve for x
    x = 138,828,294,856,316,064/482,992,923.40
  6. Step 6: Final answer
    x = 287,433,393.18

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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.