Home / 385,397,231.06-578,003,283.86-177,936,312.90

Finding the Fourth Proportional to 385,397,231.06, 578,003,283.86 and 177,936,312.90

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Solution

The fourth proportional to 385,397,231.06, 578,003,283.86 and 177,936,312.90 is: 266,861,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,397,231.06 : 578,003,283.86 = 177,936,312.90 : x
  2. Step 2: Convert to fraction form
    385,397,231.06/578,003,283.86 = 177,936,312.90/x
  3. Step 3: Cross multiply
    385,397,231.06x = 578,003,283.86 × 177,936,312.90
  4. Step 4: Simplify right side
    385,397,231.06x = 102,847,773,176,408,960
  5. Step 5: Solve for x
    x = 102,847,773,176,408,960/385,397,231.06
  6. Step 6: Final answer
    x = 266,861,733.53

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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.