Home / 27,959,391,960.80-38,583,700,145.52-15,272,122,771.04

Finding the Fourth Proportional to 27,959,391,960.80, 38,583,700,145.52 and 15,272,122,771.04

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Solution

The fourth proportional to 27,959,391,960.80, 38,583,700,145.52 and 15,272,122,771.04 is: 21,075,386,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959,391,960.80 : 38,583,700,145.52 = 15,272,122,771.04 : x
  2. Step 2: Convert to fraction form
    27,959,391,960.80/38,583,700,145.52 = 15,272,122,771.04/x
  3. Step 3: Cross multiply
    27,959,391,960.80x = 38,583,700,145.52 × 15,272,122,771.04
  4. Step 4: Simplify right side
    27,959,391,960.80x = 589,255,005,583,375,335,424
  5. Step 5: Solve for x
    x = 589,255,005,583,375,335,424/27,959,391,960.80
  6. Step 6: Final answer
    x = 21,075,386,990.16

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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.