Home / 995,328,020.70-1,492,992,031.05-268,390,215.90

Finding the Fourth Proportional to 995,328,020.70, 1,492,992,031.05 and 268,390,215.90

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Solution

The fourth proportional to 995,328,020.70, 1,492,992,031.05 and 268,390,215.90 is: 402,585,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,020.70 : 1,492,992,031.05 = 268,390,215.90 : x
  2. Step 2: Convert to fraction form
    995,328,020.70/1,492,992,031.05 = 268,390,215.90/x
  3. Step 3: Cross multiply
    995,328,020.70x = 1,492,992,031.05 × 268,390,215.90
  4. Step 4: Simplify right side
    995,328,020.70x = 400,704,453,550,489,024
  5. Step 5: Solve for x
    x = 400,704,453,550,489,024/995,328,020.70
  6. Step 6: Final answer
    x = 402,585,323.85

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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.