Home / 298,935,553.10-448,403,329.65-80,585,473.10

Finding the Fourth Proportional to 298,935,553.10, 448,403,329.65 and 80,585,473.10

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Solution

The fourth proportional to 298,935,553.10, 448,403,329.65 and 80,585,473.10 is: 120,878,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935,553.10 : 448,403,329.65 = 80,585,473.10 : x
  2. Step 2: Convert to fraction form
    298,935,553.10/448,403,329.65 = 80,585,473.10/x
  3. Step 3: Cross multiply
    298,935,553.10x = 448,403,329.65 × 80,585,473.10
  4. Step 4: Simplify right side
    298,935,553.10x = 36,134,794,459,460,504
  5. Step 5: Solve for x
    x = 36,134,794,459,460,504/298,935,553.10
  6. Step 6: Final answer
    x = 120,878,209.65

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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.