Home / 27,926,189,130.17-38,538,958,621.59-15,239,742,509.39

Finding the Fourth Proportional to 27,926,189,130.17, 38,538,958,621.59 and 15,239,742,509.39

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Solution

The fourth proportional to 27,926,189,130.17, 38,538,958,621.59 and 15,239,742,509.39 is: 21,031,290,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,926,189,130.17 : 38,538,958,621.59 = 15,239,742,509.39 : x
  2. Step 2: Convert to fraction form
    27,926,189,130.17/38,538,958,621.59 = 15,239,742,509.39/x
  3. Step 3: Cross multiply
    27,926,189,130.17x = 38,538,958,621.59 × 15,239,742,509.39
  4. Step 4: Simplify right side
    27,926,189,130.17x = 587,323,805,972,874,592,256
  5. Step 5: Solve for x
    x = 587,323,805,972,874,592,256/27,926,189,130.17
  6. Step 6: Final answer
    x = 21,031,290,851.58

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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.