Home / 411,718,627.20-618,056,237.70-248,141,087.40

Finding the Fourth Proportional to 411,718,627.20, 618,056,237.70 and 248,141,087.40

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Solution

The fourth proportional to 411,718,627.20, 618,056,237.70 and 248,141,087.40 is: 372,499,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,718,627.20 : 618,056,237.70 = 248,141,087.40 : x
  2. Step 2: Convert to fraction form
    411,718,627.20/618,056,237.70 = 248,141,087.40/x
  3. Step 3: Cross multiply
    411,718,627.20x = 618,056,237.70 × 248,141,087.40
  4. Step 4: Simplify right side
    411,718,627.20x = 153,365,146,897,230,880
  5. Step 5: Solve for x
    x = 153,365,146,897,230,880/411,718,627.20
  6. Step 6: Final answer
    x = 372,499,898.63

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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.