Home / 1,781,825,788,536-2,669,160,074,495.70-812,400,712,213.71

Finding the Fourth Proportional to 1,781,825,788,536, 2,669,160,074,495.70 and 812,400,712,213.71

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Solution

The fourth proportional to 1,781,825,788,536, 2,669,160,074,495.70 and 812,400,712,213.71 is: 1,216,969,447,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,825,788,536 : 2,669,160,074,495.70 = 812,400,712,213.71 : x
  2. Step 2: Convert to fraction form
    1,781,825,788,536/2,669,160,074,495.70 = 812,400,712,213.71/x
  3. Step 3: Cross multiply
    1,781,825,788,536x = 2,669,160,074,495.70 × 812,400,712,213.71
  4. Step 4: Simplify right side
    1,781,825,788,536x = 2,168,427,545,532,705,978,449,920
  5. Step 5: Solve for x
    x = 2,168,427,545,532,705,978,449,920/1,781,825,788,536
  6. Step 6: Final answer
    x = 1,216,969,447,565.55

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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.