Home / 9,898,837,001.31-13,660,653,960.80-5,382,980,169.40

Finding the Fourth Proportional to 9,898,837,001.31, 13,660,653,960.80 and 5,382,980,169.40

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Solution

The fourth proportional to 9,898,837,001.31, 13,660,653,960.80 and 5,382,980,169.40 is: 7,428,653,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898,837,001.31 : 13,660,653,960.80 = 5,382,980,169.40 : x
  2. Step 2: Convert to fraction form
    9,898,837,001.31/13,660,653,960.80 = 5,382,980,169.40/x
  3. Step 3: Cross multiply
    9,898,837,001.31x = 13,660,653,960.80 × 5,382,980,169.40
  4. Step 4: Simplify right side
    9,898,837,001.31x = 73,535,029,372,027,600,896
  5. Step 5: Solve for x
    x = 73,535,029,372,027,600,896/9,898,837,001.31
  6. Step 6: Final answer
    x = 7,428,653,422.85

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1.5x scale

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.