Home / 608,641,321.91-839,854,165.25-340,731,824.72

Finding the Fourth Proportional to 608,641,321.91, 839,854,165.25 and 340,731,824.72

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Solution

The fourth proportional to 608,641,321.91, 839,854,165.25 and 340,731,824.72 is: 470,170,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,641,321.91 : 839,854,165.25 = 340,731,824.72 : x
  2. Step 2: Convert to fraction form
    608,641,321.91/839,854,165.25 = 340,731,824.72/x
  3. Step 3: Cross multiply
    608,641,321.91x = 839,854,165.25 × 340,731,824.72
  4. Step 4: Simplify right side
    608,641,321.91x = 286,165,042,220,977,472
  5. Step 5: Solve for x
    x = 286,165,042,220,977,472/608,641,321.91
  6. Step 6: Final answer
    x = 470,170,249.57

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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.