Home / 27,959,392,145.04-38,583,700,398.80-15,272,122,955.28

Finding the Fourth Proportional to 27,959,392,145.04, 38,583,700,398.80 and 15,272,122,955.28

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Solution

The fourth proportional to 27,959,392,145.04, 38,583,700,398.80 and 15,272,122,955.28 is: 21,075,387,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959,392,145.04 : 38,583,700,398.80 = 15,272,122,955.28 : x
  2. Step 2: Convert to fraction form
    27,959,392,145.04/38,583,700,398.80 = 15,272,122,955.28/x
  3. Step 3: Cross multiply
    27,959,392,145.04x = 38,583,700,398.80 × 15,272,122,955.28
  4. Step 4: Simplify right side
    27,959,392,145.04x = 589,255,016,560,159,621,120
  5. Step 5: Solve for x
    x = 589,255,016,560,159,621,120/27,959,392,145.04
  6. Step 6: Final answer
    x = 21,075,387,243.88

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Double scale
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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.