Home / 663,552,690.80-995,329,036.20-456,623,999.60

Finding the Fourth Proportional to 663,552,690.80, 995,329,036.20 and 456,623,999.60

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Solution

The fourth proportional to 663,552,690.80, 995,329,036.20 and 456,623,999.60 is: 684,935,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,690.80 : 995,329,036.20 = 456,623,999.60 : x
  2. Step 2: Convert to fraction form
    663,552,690.80/995,329,036.20 = 456,623,999.60/x
  3. Step 3: Cross multiply
    663,552,690.80x = 995,329,036.20 × 456,623,999.60
  4. Step 4: Simplify right side
    663,552,690.80x = 454,491,125,427,657,216
  5. Step 5: Solve for x
    x = 454,491,125,427,657,216/663,552,690.80
  6. Step 6: Final answer
    x = 684,935,999.40

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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.