Home / 486,037,705.10-729,100,855.33-158,429,129.18

Finding the Fourth Proportional to 486,037,705.10, 729,100,855.33 and 158,429,129.18

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Solution

The fourth proportional to 486,037,705.10, 729,100,855.33 and 158,429,129.18 is: 237,658,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,037,705.10 : 729,100,855.33 = 158,429,129.18 : x
  2. Step 2: Convert to fraction form
    486,037,705.10/729,100,855.33 = 158,429,129.18/x
  3. Step 3: Cross multiply
    486,037,705.10x = 729,100,855.33 × 158,429,129.18
  4. Step 4: Simplify right side
    486,037,705.10x = 115,510,813,590,283,488
  5. Step 5: Solve for x
    x = 115,510,813,590,283,488/486,037,705.10
  6. Step 6: Final answer
    x = 237,658,133.06

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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.