Home / 995,328,748.80-1,492,993,123.20-268,291,411.20

Finding the Fourth Proportional to 995,328,748.80, 1,492,993,123.20 and 268,291,411.20

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Solution

The fourth proportional to 995,328,748.80, 1,492,993,123.20 and 268,291,411.20 is: 402,437,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,748.80 : 1,492,993,123.20 = 268,291,411.20 : x
  2. Step 2: Convert to fraction form
    995,328,748.80/1,492,993,123.20 = 268,291,411.20/x
  3. Step 3: Cross multiply
    995,328,748.80x = 1,492,993,123.20 × 268,291,411.20
  4. Step 4: Simplify right side
    995,328,748.80x = 400,557,231,935,223,424
  5. Step 5: Solve for x
    x = 400,557,231,935,223,424/995,328,748.80
  6. Step 6: Final answer
    x = 402,437,116.80

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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.