Home / 935,961,601.94-1,291,611,225.33-518,264,919.17

Finding the Fourth Proportional to 935,961,601.94, 1,291,611,225.33 and 518,264,919.17

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Solution

The fourth proportional to 935,961,601.94, 1,291,611,225.33 and 518,264,919.17 is: 715,196,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,961,601.94 : 1,291,611,225.33 = 518,264,919.17 : x
  2. Step 2: Convert to fraction form
    935,961,601.94/1,291,611,225.33 = 518,264,919.17/x
  3. Step 3: Cross multiply
    935,961,601.94x = 1,291,611,225.33 × 518,264,919.17
  4. Step 4: Simplify right side
    935,961,601.94x = 669,396,787,293,102,592
  5. Step 5: Solve for x
    x = 669,396,787,293,102,592/935,961,601.94
  6. Step 6: Final answer
    x = 715,196,847.72

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.