Home / 482,912,019.10-724,462,507.05-206,562,699.10

Finding the Fourth Proportional to 482,912,019.10, 724,462,507.05 and 206,562,699.10

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Solution

The fourth proportional to 482,912,019.10, 724,462,507.05 and 206,562,699.10 is: 309,884,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,912,019.10 : 724,462,507.05 = 206,562,699.10 : x
  2. Step 2: Convert to fraction form
    482,912,019.10/724,462,507.05 = 206,562,699.10/x
  3. Step 3: Cross multiply
    482,912,019.10x = 724,462,507.05 × 206,562,699.10
  4. Step 4: Simplify right side
    482,912,019.10x = 149,646,930,853,000,768
  5. Step 5: Solve for x
    x = 149,646,930,853,000,768/482,912,019.10
  6. Step 6: Final answer
    x = 309,884,461.21

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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.