Home / 7,678,071,047.20-11,517,106,570.80-6,790,352,000.80

Finding the Fourth Proportional to 7,678,071,047.20, 11,517,106,570.80 and 6,790,352,000.80

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Solution

The fourth proportional to 7,678,071,047.20, 11,517,106,570.80 and 6,790,352,000.80 is: 10,185,528,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678,071,047.20 : 11,517,106,570.80 = 6,790,352,000.80 : x
  2. Step 2: Convert to fraction form
    7,678,071,047.20/11,517,106,570.80 = 6,790,352,000.80/x
  3. Step 3: Cross multiply
    7,678,071,047.20x = 11,517,106,570.80 × 6,790,352,000.80
  4. Step 4: Simplify right side
    7,678,071,047.20x = 78,205,207,646,458,609,664
  5. Step 5: Solve for x
    x = 78,205,207,646,458,609,664/7,678,071,047.20
  6. Step 6: Final answer
    x = 10,185,528,001.20

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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.