Home / 27,959,392,147.04-38,583,700,401.56-15,272,122,957.28

Finding the Fourth Proportional to 27,959,392,147.04, 38,583,700,401.56 and 15,272,122,957.28

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Solution

The fourth proportional to 27,959,392,147.04, 38,583,700,401.56 and 15,272,122,957.28 is: 21,075,387,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959,392,147.04 : 38,583,700,401.56 = 15,272,122,957.28 : x
  2. Step 2: Convert to fraction form
    27,959,392,147.04/38,583,700,401.56 = 15,272,122,957.28/x
  3. Step 3: Cross multiply
    27,959,392,147.04x = 38,583,700,401.56 × 15,272,122,957.28
  4. Step 4: Simplify right side
    27,959,392,147.04x = 589,255,016,679,478,001,664
  5. Step 5: Solve for x
    x = 589,255,016,679,478,001,664/27,959,392,147.04
  6. Step 6: Final answer
    x = 21,075,387,246.64

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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.