Home / 40,453,493,807.40-60,639,426,042.30-18,386,362,876.20

Finding the Fourth Proportional to 40,453,493,807.40, 60,639,426,042.30 and 18,386,362,876.20

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Solution

The fourth proportional to 40,453,493,807.40, 60,639,426,042.30 and 18,386,362,876.20 is: 27,560,993,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,453,493,807.40 : 60,639,426,042.30 = 18,386,362,876.20 : x
  2. Step 2: Convert to fraction form
    40,453,493,807.40/60,639,426,042.30 = 18,386,362,876.20/x
  3. Step 3: Cross multiply
    40,453,493,807.40x = 60,639,426,042.30 × 18,386,362,876.20
  4. Step 4: Simplify right side
    40,453,493,807.40x = 1,114,938,491,818,220,322,816
  5. Step 5: Solve for x
    x = 1,114,938,491,818,220,322,816/40,453,493,807.40
  6. Step 6: Final answer
    x = 27,560,993,795.16

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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.