Home / 1,417,389,726.86-1,956,174,479.79-822,546,488.78

Finding the Fourth Proportional to 1,417,389,726.86, 1,956,174,479.79 and 822,546,488.78

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Solution

The fourth proportional to 1,417,389,726.86, 1,956,174,479.79 and 822,546,488.78 is: 1,135,216,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,389,726.86 : 1,956,174,479.79 = 822,546,488.78 : x
  2. Step 2: Convert to fraction form
    1,417,389,726.86/1,956,174,479.79 = 822,546,488.78/x
  3. Step 3: Cross multiply
    1,417,389,726.86x = 1,956,174,479.79 × 822,546,488.78
  4. Step 4: Simplify right side
    1,417,389,726.86x = 1,609,044,449,792,307,456
  5. Step 5: Solve for x
    x = 1,609,044,449,792,307,456/1,417,389,726.86
  6. Step 6: Final answer
    x = 1,135,216,672.80

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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.