Home / 27,918,020,157.48-38,526,992,782.98-15,230,717,377.32

Finding the Fourth Proportional to 27,918,020,157.48, 38,526,992,782.98 and 15,230,717,377.32

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Solution

The fourth proportional to 27,918,020,157.48, 38,526,992,782.98 and 15,230,717,377.32 is: 21,018,458,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918,020,157.48 : 38,526,992,782.98 = 15,230,717,377.32 : x
  2. Step 2: Convert to fraction form
    27,918,020,157.48/38,526,992,782.98 = 15,230,717,377.32/x
  3. Step 3: Cross multiply
    27,918,020,157.48x = 38,526,992,782.98 × 15,230,717,377.32
  4. Step 4: Simplify right side
    27,918,020,157.48x = 586,793,738,475,615,748,096
  5. Step 5: Solve for x
    x = 586,793,738,475,615,748,096/27,918,020,157.48
  6. Step 6: Final answer
    x = 21,018,458,155.90

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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.