Home / 2,910,105,136.40-4,365,094,677.98-811,525,549.13

Finding the Fourth Proportional to 2,910,105,136.40, 4,365,094,677.98 and 811,525,549.13

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Solution

The fourth proportional to 2,910,105,136.40, 4,365,094,677.98 and 811,525,549.13 is: 1,217,270,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,105,136.40 : 4,365,094,677.98 = 811,525,549.13 : x
  2. Step 2: Convert to fraction form
    2,910,105,136.40/4,365,094,677.98 = 811,525,549.13/x
  3. Step 3: Cross multiply
    2,910,105,136.40x = 4,365,094,677.98 × 811,525,549.13
  4. Step 4: Simplify right side
    2,910,105,136.40x = 3,542,385,855,526,277,120
  5. Step 5: Solve for x
    x = 3,542,385,855,526,277,120/2,910,105,136.40
  6. Step 6: Final answer
    x = 1,217,270,747.79

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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.