Home / 266,304,328.40-399,456,492.60-185,616,405.20

Finding the Fourth Proportional to 266,304,328.40, 399,456,492.60 and 185,616,405.20

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Solution

The fourth proportional to 266,304,328.40, 399,456,492.60 and 185,616,405.20 is: 278,424,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,304,328.40 : 399,456,492.60 = 185,616,405.20 : x
  2. Step 2: Convert to fraction form
    266,304,328.40/399,456,492.60 = 185,616,405.20/x
  3. Step 3: Cross multiply
    266,304,328.40x = 399,456,492.60 × 185,616,405.20
  4. Step 4: Simplify right side
    266,304,328.40x = 74,145,678,190,212,400
  5. Step 5: Solve for x
    x = 74,145,678,190,212,400/266,304,328.40
  6. Step 6: Final answer
    x = 278,424,607.80

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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.