Home / 995,361,615.20-1,493,042,422.80-268,423,810.40

Finding the Fourth Proportional to 995,361,615.20, 1,493,042,422.80 and 268,423,810.40

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Solution

The fourth proportional to 995,361,615.20, 1,493,042,422.80 and 268,423,810.40 is: 402,635,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,361,615.20 : 1,493,042,422.80 = 268,423,810.40 : x
  2. Step 2: Convert to fraction form
    995,361,615.20/1,493,042,422.80 = 268,423,810.40/x
  3. Step 3: Cross multiply
    995,361,615.20x = 1,493,042,422.80 × 268,423,810.40
  4. Step 4: Simplify right side
    995,361,615.20x = 400,768,136,216,823,808
  5. Step 5: Solve for x
    x = 400,768,136,216,823,808/995,361,615.20
  6. Step 6: Final answer
    x = 402,635,715.60

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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.