Home / 3,908,529,670.40-5,863,644,811.20-1,287,887,811.20

Finding the Fourth Proportional to 3,908,529,670.40, 5,863,644,811.20 and 1,287,887,811.20

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Solution

The fourth proportional to 3,908,529,670.40, 5,863,644,811.20 and 1,287,887,811.20 is: 1,932,111,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,529,670.40 : 5,863,644,811.20 = 1,287,887,811.20 : x
  2. Step 2: Convert to fraction form
    3,908,529,670.40/5,863,644,811.20 = 1,287,887,811.20/x
  3. Step 3: Cross multiply
    3,908,529,670.40x = 5,863,644,811.20 × 1,287,887,811.20
  4. Step 4: Simplify right side
    3,908,529,670.40x = 7,551,716,681,550,605,312
  5. Step 5: Solve for x
    x = 7,551,716,681,550,605,312/3,908,529,670.40
  6. Step 6: Final answer
    x = 1,932,111,898.43

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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.