Home / 284,328,270.80-426,492,406.20-185,692,821.20

Finding the Fourth Proportional to 284,328,270.80, 426,492,406.20 and 185,692,821.20

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Solution

The fourth proportional to 284,328,270.80, 426,492,406.20 and 185,692,821.20 is: 278,539,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,328,270.80 : 426,492,406.20 = 185,692,821.20 : x
  2. Step 2: Convert to fraction form
    284,328,270.80/426,492,406.20 = 185,692,821.20/x
  3. Step 3: Cross multiply
    284,328,270.80x = 426,492,406.20 × 185,692,821.20
  4. Step 4: Simplify right side
    284,328,270.80x = 79,196,578,127,654,368
  5. Step 5: Solve for x
    x = 79,196,578,127,654,368/284,328,270.80
  6. Step 6: Final answer
    x = 278,539,231.80

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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.