Home / 1,290,468,233,251.80-1,934,748,069,562.30-780,413,606,475.05

Finding the Fourth Proportional to 1,290,468,233,251.80, 1,934,748,069,562.30 and 780,413,606,475.05

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Solution

The fourth proportional to 1,290,468,233,251.80, 1,934,748,069,562.30 and 780,413,606,475.05 is: 1,170,043,306,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,468,233,251.80 : 1,934,748,069,562.30 = 780,413,606,475.05 : x
  2. Step 2: Convert to fraction form
    1,290,468,233,251.80/1,934,748,069,562.30 = 780,413,606,475.05/x
  3. Step 3: Cross multiply
    1,290,468,233,251.80x = 1,934,748,069,562.30 × 780,413,606,475.05
  4. Step 4: Simplify right side
    1,290,468,233,251.80x = 1,509,903,718,587,755,611,029,504
  5. Step 5: Solve for x
    x = 1,509,903,718,587,755,611,029,504/1,290,468,233,251.80
  6. Step 6: Final answer
    x = 1,170,043,306,515.97

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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.