Home / 1,244,703,069.15-1,717,788,151.94-708,877,390.52

Finding the Fourth Proportional to 1,244,703,069.15, 1,717,788,151.94 and 708,877,390.52

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Solution

The fourth proportional to 1,244,703,069.15, 1,717,788,151.94 and 708,877,390.52 is: 978,306,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,703,069.15 : 1,717,788,151.94 = 708,877,390.52 : x
  2. Step 2: Convert to fraction form
    1,244,703,069.15/1,717,788,151.94 = 708,877,390.52/x
  3. Step 3: Cross multiply
    1,244,703,069.15x = 1,717,788,151.94 × 708,877,390.52
  4. Step 4: Simplify right side
    1,244,703,069.15x = 1,217,701,182,601,267,200
  5. Step 5: Solve for x
    x = 1,217,701,182,601,267,200/1,244,703,069.15
  6. Step 6: Final answer
    x = 978,306,563.86

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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.