Home / 28,321,765,702.65-39,083,837,843.66-15,461,405,659.98

Finding the Fourth Proportional to 28,321,765,702.65, 39,083,837,843.66 and 15,461,405,659.98

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Solution

The fourth proportional to 28,321,765,702.65, 39,083,837,843.66 and 15,461,405,659.98 is: 21,336,631,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321,765,702.65 : 39,083,837,843.66 = 15,461,405,659.98 : x
  2. Step 2: Convert to fraction form
    28,321,765,702.65/39,083,837,843.66 = 15,461,405,659.98/x
  3. Step 3: Cross multiply
    28,321,765,702.65x = 39,083,837,843.66 × 15,461,405,659.98
  4. Step 4: Simplify right side
    28,321,765,702.65x = 604,291,071,649,627,897,856
  5. Step 5: Solve for x
    x = 604,291,071,649,627,897,856/28,321,765,702.65
  6. Step 6: Final answer
    x = 21,336,631,267.77

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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.