Home / 5,105,281,312.30-7,045,288,224.54-2,758,437,856.30

Finding the Fourth Proportional to 5,105,281,312.30, 7,045,288,224.54 and 2,758,437,856.30

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Solution

The fourth proportional to 5,105,281,312.30, 7,045,288,224.54 and 2,758,437,856.30 is: 3,806,644,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,281,312.30 : 7,045,288,224.54 = 2,758,437,856.30 : x
  2. Step 2: Convert to fraction form
    5,105,281,312.30/7,045,288,224.54 = 2,758,437,856.30/x
  3. Step 3: Cross multiply
    5,105,281,312.30x = 7,045,288,224.54 × 2,758,437,856.30
  4. Step 4: Simplify right side
    5,105,281,312.30x = 19,433,989,747,101,958,144
  5. Step 5: Solve for x
    x = 19,433,989,747,101,958,144/5,105,281,312.30
  6. Step 6: Final answer
    x = 3,806,644,249.02

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Double scale
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1.5x scale

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.