Home / 28,232,721,335.59-38,961,854,109.77-15,373,066,283.10

Finding the Fourth Proportional to 28,232,721,335.59, 38,961,854,109.77 and 15,373,066,283.10

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Solution

The fourth proportional to 28,232,721,335.59, 38,961,854,109.77 and 15,373,066,283.10 is: 21,215,211,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232,721,335.59 : 38,961,854,109.77 = 15,373,066,283.10 : x
  2. Step 2: Convert to fraction form
    28,232,721,335.59/38,961,854,109.77 = 15,373,066,283.10/x
  3. Step 3: Cross multiply
    28,232,721,335.59x = 38,961,854,109.77 × 15,373,066,283.10
  4. Step 4: Simplify right side
    28,232,721,335.59x = 598,963,165,741,889,486,848
  5. Step 5: Solve for x
    x = 598,963,165,741,889,486,848/28,232,721,335.59
  6. Step 6: Final answer
    x = 21,215,211,903.32

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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.