Home / 995,328,085.20-1,492,992,127.80-268,390,280.40

Finding the Fourth Proportional to 995,328,085.20, 1,492,992,127.80 and 268,390,280.40

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Solution

The fourth proportional to 995,328,085.20, 1,492,992,127.80 and 268,390,280.40 is: 402,585,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,085.20 : 1,492,992,127.80 = 268,390,280.40 : x
  2. Step 2: Convert to fraction form
    995,328,085.20/1,492,992,127.80 = 268,390,280.40/x
  3. Step 3: Cross multiply
    995,328,085.20x = 1,492,992,127.80 × 268,390,280.40
  4. Step 4: Simplify right side
    995,328,085.20x = 400,704,575,815,234,624
  5. Step 5: Solve for x
    x = 400,704,575,815,234,624/995,328,085.20
  6. Step 6: Final answer
    x = 402,585,420.60

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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.