Home / 15,836,079,873.30-21,853,804,548.48-8,699,955,964.94

Finding the Fourth Proportional to 15,836,079,873.30, 21,853,804,548.48 and 8,699,955,964.94

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Solution

The fourth proportional to 15,836,079,873.30, 21,853,804,548.48 and 8,699,955,964.94 is: 12,005,947,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836,079,873.30 : 21,853,804,548.48 = 8,699,955,964.94 : x
  2. Step 2: Convert to fraction form
    15,836,079,873.30/21,853,804,548.48 = 8,699,955,964.94/x
  3. Step 3: Cross multiply
    15,836,079,873.30x = 21,853,804,548.48 × 8,699,955,964.94
  4. Step 4: Simplify right side
    15,836,079,873.30x = 190,127,137,238,181,478,400
  5. Step 5: Solve for x
    x = 190,127,137,238,181,478,400/15,836,079,873.30
  6. Step 6: Final answer
    x = 12,005,947,100.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.