Home / 2,638,946,462.76-3,956,500,465.02-1,239,209,463.87

Finding the Fourth Proportional to 2,638,946,462.76, 3,956,500,465.02 and 1,239,209,463.87

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Solution

The fourth proportional to 2,638,946,462.76, 3,956,500,465.02 and 1,239,209,463.87 is: 1,857,912,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,946,462.76 : 3,956,500,465.02 = 1,239,209,463.87 : x
  2. Step 2: Convert to fraction form
    2,638,946,462.76/3,956,500,465.02 = 1,239,209,463.87/x
  3. Step 3: Cross multiply
    2,638,946,462.76x = 3,956,500,465.02 × 1,239,209,463.87
  4. Step 4: Simplify right side
    2,638,946,462.76x = 4,902,932,820,058,839,040
  5. Step 5: Solve for x
    x = 4,902,932,820,058,839,040/2,638,946,462.76
  6. Step 6: Final answer
    x = 1,857,912,954.75

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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.