Home / 3,905,681,497.16-5,389,836,369.95-2,121,536,366.87

Finding the Fourth Proportional to 3,905,681,497.16, 5,389,836,369.95 and 2,121,536,366.87

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Solution

The fourth proportional to 3,905,681,497.16, 5,389,836,369.95 and 2,121,536,366.87 is: 2,927,717,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,681,497.16 : 5,389,836,369.95 = 2,121,536,366.87 : x
  2. Step 2: Convert to fraction form
    3,905,681,497.16/5,389,836,369.95 = 2,121,536,366.87/x
  3. Step 3: Cross multiply
    3,905,681,497.16x = 5,389,836,369.95 × 2,121,536,366.87
  4. Step 4: Simplify right side
    3,905,681,497.16x = 11,434,733,870,305,867,776
  5. Step 5: Solve for x
    x = 11,434,733,870,305,867,776/3,905,681,497.16
  6. Step 6: Final answer
    x = 2,927,717,961.29

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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.