Home / 452,490,689.28-678,731,696.92-268,125,453.28

Finding the Fourth Proportional to 452,490,689.28, 678,731,696.92 and 268,125,453.28

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Solution

The fourth proportional to 452,490,689.28, 678,731,696.92 and 268,125,453.28 is: 402,185,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,490,689.28 : 678,731,696.92 = 268,125,453.28 : x
  2. Step 2: Convert to fraction form
    452,490,689.28/678,731,696.92 = 268,125,453.28/x
  3. Step 3: Cross multiply
    452,490,689.28x = 678,731,696.92 × 268,125,453.28
  4. Step 4: Simplify right side
    452,490,689.28x = 181,985,243,892,178,560
  5. Step 5: Solve for x
    x = 181,985,243,892,178,560/452,490,689.28
  6. Step 6: Final answer
    x = 402,185,610.01

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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.