Home / 3,653,893,154.31-5,041,796,594.59-2,128,232,383.30

Finding the Fourth Proportional to 3,653,893,154.31, 5,041,796,594.59 and 2,128,232,383.30

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Solution

The fourth proportional to 3,653,893,154.31, 5,041,796,594.59 and 2,128,232,383.30 is: 2,936,625,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653,893,154.31 : 5,041,796,594.59 = 2,128,232,383.30 : x
  2. Step 2: Convert to fraction form
    3,653,893,154.31/5,041,796,594.59 = 2,128,232,383.30/x
  3. Step 3: Cross multiply
    3,653,893,154.31x = 5,041,796,594.59 × 2,128,232,383.30
  4. Step 4: Simplify right side
    3,653,893,154.31x = 10,730,114,782,618,099,712
  5. Step 5: Solve for x
    x = 10,730,114,782,618,099,712/3,653,893,154.31
  6. Step 6: Final answer
    x = 2,936,625,218.49

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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.