Home / 298,930,663.40-448,466,853.90-153,386,688.20

Finding the Fourth Proportional to 298,930,663.40, 448,466,853.90 and 153,386,688.20

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Solution

The fourth proportional to 298,930,663.40, 448,466,853.90 and 153,386,688.20 is: 230,116,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,930,663.40 : 448,466,853.90 = 153,386,688.20 : x
  2. Step 2: Convert to fraction form
    298,930,663.40/448,466,853.90 = 153,386,688.20/x
  3. Step 3: Cross multiply
    298,930,663.40x = 448,466,853.90 × 153,386,688.20
  4. Step 4: Simplify right side
    298,930,663.40x = 68,788,845,487,194,248
  5. Step 5: Solve for x
    x = 68,788,845,487,194,248/298,930,663.40
  6. Step 6: Final answer
    x = 230,116,391.22

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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.