Home / 284,328,270.30-426,492,405.45-185,692,820.70

Finding the Fourth Proportional to 284,328,270.30, 426,492,405.45 and 185,692,820.70

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Solution

The fourth proportional to 284,328,270.30, 426,492,405.45 and 185,692,820.70 is: 278,539,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,328,270.30 : 426,492,405.45 = 185,692,820.70 : x
  2. Step 2: Convert to fraction form
    284,328,270.30/426,492,405.45 = 185,692,820.70/x
  3. Step 3: Cross multiply
    284,328,270.30x = 426,492,405.45 × 185,692,820.70
  4. Step 4: Simplify right side
    284,328,270.30x = 79,196,577,775,138,544
  5. Step 5: Solve for x
    x = 79,196,577,775,138,544/284,328,270.30
  6. Step 6: Final answer
    x = 278,539,231.05

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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.