Home / 27,918,020,156.48-38,526,992,781.60-15,230,717,376.32

Finding the Fourth Proportional to 27,918,020,156.48, 38,526,992,781.60 and 15,230,717,376.32

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Solution

The fourth proportional to 27,918,020,156.48, 38,526,992,781.60 and 15,230,717,376.32 is: 21,018,458,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918,020,156.48 : 38,526,992,781.60 = 15,230,717,376.32 : x
  2. Step 2: Convert to fraction form
    27,918,020,156.48/38,526,992,781.60 = 15,230,717,376.32/x
  3. Step 3: Cross multiply
    27,918,020,156.48x = 38,526,992,781.60 × 15,230,717,376.32
  4. Step 4: Simplify right side
    27,918,020,156.48x = 586,793,738,416,070,328,320
  5. Step 5: Solve for x
    x = 586,793,738,416,070,328,320/27,918,020,156.48
  6. Step 6: Final answer
    x = 21,018,458,154.52

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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.