Home / 995,361,775.20-1,493,042,662.80-268,423,970.40

Finding the Fourth Proportional to 995,361,775.20, 1,493,042,662.80 and 268,423,970.40

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Solution

The fourth proportional to 995,361,775.20, 1,493,042,662.80 and 268,423,970.40 is: 402,635,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,361,775.20 : 1,493,042,662.80 = 268,423,970.40 : x
  2. Step 2: Convert to fraction form
    995,361,775.20/1,493,042,662.80 = 268,423,970.40/x
  3. Step 3: Cross multiply
    995,361,775.20x = 1,493,042,662.80 × 268,423,970.40
  4. Step 4: Simplify right side
    995,361,775.20x = 400,768,439,525,364,352
  5. Step 5: Solve for x
    x = 400,768,439,525,364,352/995,361,775.20
  6. Step 6: Final answer
    x = 402,635,955.60

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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.