Home / 3,720,251,646.21-5,133,938,283.15-2,026,720,207.56

Finding the Fourth Proportional to 3,720,251,646.21, 5,133,938,283.15 and 2,026,720,207.56

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Solution

The fourth proportional to 3,720,251,646.21, 5,133,938,283.15 and 2,026,720,207.56 is: 2,796,868,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720,251,646.21 : 5,133,938,283.15 = 2,026,720,207.56 : x
  2. Step 2: Convert to fraction form
    3,720,251,646.21/5,133,938,283.15 = 2,026,720,207.56/x
  3. Step 3: Cross multiply
    3,720,251,646.21x = 5,133,938,283.15 × 2,026,720,207.56
  4. Step 4: Simplify right side
    3,720,251,646.21x = 10,405,056,462,825,996,288
  5. Step 5: Solve for x
    x = 10,405,056,462,825,996,288/3,720,251,646.21
  6. Step 6: Final answer
    x = 2,796,868,989.61

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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.