Home / 1,380,605,847.17-2,071,199,617.52-447,855,863.67

Finding the Fourth Proportional to 1,380,605,847.17, 2,071,199,617.52 and 447,855,863.67

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Solution

The fourth proportional to 1,380,605,847.17, 2,071,199,617.52 and 447,855,863.67 is: 671,878,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,605,847.17 : 2,071,199,617.52 = 447,855,863.67 : x
  2. Step 2: Convert to fraction form
    1,380,605,847.17/2,071,199,617.52 = 447,855,863.67/x
  3. Step 3: Cross multiply
    1,380,605,847.17x = 2,071,199,617.52 × 447,855,863.67
  4. Step 4: Simplify right side
    1,380,605,847.17x = 927,598,893,535,154,048
  5. Step 5: Solve for x
    x = 927,598,893,535,154,048/1,380,605,847.17
  6. Step 6: Final answer
    x = 671,878,143.53

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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.