Home / 298,935,047.40-448,473,429.90-153,391,072.20

Finding the Fourth Proportional to 298,935,047.40, 448,473,429.90 and 153,391,072.20

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Solution

The fourth proportional to 298,935,047.40, 448,473,429.90 and 153,391,072.20 is: 230,122,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935,047.40 : 448,473,429.90 = 153,391,072.20 : x
  2. Step 2: Convert to fraction form
    298,935,047.40/448,473,429.90 = 153,391,072.20/x
  3. Step 3: Cross multiply
    298,935,047.40x = 448,473,429.90 × 153,391,072.20
  4. Step 4: Simplify right side
    298,935,047.40x = 68,791,820,265,572,528
  5. Step 5: Solve for x
    x = 68,791,820,265,572,528/298,935,047.40
  6. Step 6: Final answer
    x = 230,122,967.73

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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.