Home / 403,563,622.80-605,345,434.20-112,475,672.40

Finding the Fourth Proportional to 403,563,622.80, 605,345,434.20 and 112,475,672.40

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Solution

The fourth proportional to 403,563,622.80, 605,345,434.20 and 112,475,672.40 is: 168,713,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,563,622.80 : 605,345,434.20 = 112,475,672.40 : x
  2. Step 2: Convert to fraction form
    403,563,622.80/605,345,434.20 = 112,475,672.40/x
  3. Step 3: Cross multiply
    403,563,622.80x = 605,345,434.20 × 112,475,672.40
  4. Step 4: Simplify right side
    403,563,622.80x = 68,086,634,745,914,968
  5. Step 5: Solve for x
    x = 68,086,634,745,914,968/403,563,622.80
  6. Step 6: Final answer
    x = 168,713,508.60

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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.