Home / 3,139,747,272.30-4,709,620,908.45-958,709,909.10

Finding the Fourth Proportional to 3,139,747,272.30, 4,709,620,908.45 and 958,709,909.10

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Solution

The fourth proportional to 3,139,747,272.30, 4,709,620,908.45 and 958,709,909.10 is: 1,438,064,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,747,272.30 : 4,709,620,908.45 = 958,709,909.10 : x
  2. Step 2: Convert to fraction form
    3,139,747,272.30/4,709,620,908.45 = 958,709,909.10/x
  3. Step 3: Cross multiply
    3,139,747,272.30x = 4,709,620,908.45 × 958,709,909.10
  4. Step 4: Simplify right side
    3,139,747,272.30x = 4,515,160,233,035,558,912
  5. Step 5: Solve for x
    x = 4,515,160,233,035,558,912/3,139,747,272.30
  6. Step 6: Final answer
    x = 1,438,064,863.65

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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.