Home / 401,246,840.10-601,870,260.15-359,156,712.90

Finding the Fourth Proportional to 401,246,840.10, 601,870,260.15 and 359,156,712.90

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Solution

The fourth proportional to 401,246,840.10, 601,870,260.15 and 359,156,712.90 is: 538,735,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,246,840.10 : 601,870,260.15 = 359,156,712.90 : x
  2. Step 2: Convert to fraction form
    401,246,840.10/601,870,260.15 = 359,156,712.90/x
  3. Step 3: Cross multiply
    401,246,840.10x = 601,870,260.15 × 359,156,712.90
  4. Step 4: Simplify right side
    401,246,840.10x = 216,165,744,227,741,824
  5. Step 5: Solve for x
    x = 216,165,744,227,741,824/401,246,840.10
  6. Step 6: Final answer
    x = 538,735,069.35

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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.