Home / 1,906,653,388.55-2,859,989,216.96-578,692,963.40

Finding the Fourth Proportional to 1,906,653,388.55, 2,859,989,216.96 and 578,692,963.40

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Solution

The fourth proportional to 1,906,653,388.55, 2,859,989,216.96 and 578,692,963.40 is: 868,042,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,653,388.55 : 2,859,989,216.96 = 578,692,963.40 : x
  2. Step 2: Convert to fraction form
    1,906,653,388.55/2,859,989,216.96 = 578,692,963.40/x
  3. Step 3: Cross multiply
    1,906,653,388.55x = 2,859,989,216.96 × 578,692,963.40
  4. Step 4: Simplify right side
    1,906,653,388.55x = 1,655,055,635,241,774,848
  5. Step 5: Solve for x
    x = 1,655,055,635,241,774,848/1,906,653,388.55
  6. Step 6: Final answer
    x = 868,042,217.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.