Home / 55,015,013,318.44-75,920,261,998.40-30,929,142,296.76

Finding the Fourth Proportional to 55,015,013,318.44, 75,920,261,998.40 and 30,929,142,296.76

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Solution

The fourth proportional to 55,015,013,318.44, 75,920,261,998.40 and 30,929,142,296.76 is: 42,681,959,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,015,013,318.44 : 75,920,261,998.40 = 30,929,142,296.76 : x
  2. Step 2: Convert to fraction form
    55,015,013,318.44/75,920,261,998.40 = 30,929,142,296.76/x
  3. Step 3: Cross multiply
    55,015,013,318.44x = 75,920,261,998.40 × 30,929,142,296.76
  4. Step 4: Simplify right side
    55,015,013,318.44x = 2,348,148,586,555,813,920,768
  5. Step 5: Solve for x
    x = 2,348,148,586,555,813,920,768/55,015,013,318.44
  6. Step 6: Final answer
    x = 42,681,959,794.58

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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.