Home / 298,995,140.30-448,492,710.45-218,373,572.30

Finding the Fourth Proportional to 298,995,140.30, 448,492,710.45 and 218,373,572.30

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Solution

The fourth proportional to 298,995,140.30, 448,492,710.45 and 218,373,572.30 is: 327,560,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,995,140.30 : 448,492,710.45 = 218,373,572.30 : x
  2. Step 2: Convert to fraction form
    298,995,140.30/448,492,710.45 = 218,373,572.30/x
  3. Step 3: Cross multiply
    298,995,140.30x = 448,492,710.45 × 218,373,572.30
  4. Step 4: Simplify right side
    298,995,140.30x = 97,938,955,331,476,048
  5. Step 5: Solve for x
    x = 97,938,955,331,476,048/298,995,140.30
  6. Step 6: Final answer
    x = 327,560,358.45

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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.