Home / 3,191,985,707.68-4,788,435,515.76-981,381,038.88

Finding the Fourth Proportional to 3,191,985,707.68, 4,788,435,515.76 and 981,381,038.88

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Solution

The fourth proportional to 3,191,985,707.68, 4,788,435,515.76 and 981,381,038.88 is: 1,472,212,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,985,707.68 : 4,788,435,515.76 = 981,381,038.88 : x
  2. Step 2: Convert to fraction form
    3,191,985,707.68/4,788,435,515.76 = 981,381,038.88/x
  3. Step 3: Cross multiply
    3,191,985,707.68x = 4,788,435,515.76 × 981,381,038.88
  4. Step 4: Simplify right side
    3,191,985,707.68x = 4,699,279,821,066,437,632
  5. Step 5: Solve for x
    x = 4,699,279,821,066,437,632/3,191,985,707.68
  6. Step 6: Final answer
    x = 1,472,212,049.62

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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.