Home / 1,241,082,862.28-1,712,705,902.38-684,185,838.20

Finding the Fourth Proportional to 1,241,082,862.28, 1,712,705,902.38 and 684,185,838.20

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Solution

The fourth proportional to 1,241,082,862.28, 1,712,705,902.38 and 684,185,838.20 is: 944,182,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,082,862.28 : 1,712,705,902.38 = 684,185,838.20 : x
  2. Step 2: Convert to fraction form
    1,241,082,862.28/1,712,705,902.38 = 684,185,838.20/x
  3. Step 3: Cross multiply
    1,241,082,862.28x = 1,712,705,902.38 × 684,185,838.20
  4. Step 4: Simplify right side
    1,241,082,862.28x = 1,171,809,123,409,947,904
  5. Step 5: Solve for x
    x = 1,171,809,123,409,947,904/1,241,082,862.28
  6. Step 6: Final answer
    x = 944,182,825.36

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Half scale
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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.