Home / 774,734,468.52-1,069,124,864.20-422,302,726.33

Finding the Fourth Proportional to 774,734,468.52, 1,069,124,864.20 and 422,302,726.33

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Solution

The fourth proportional to 774,734,468.52, 1,069,124,864.20 and 422,302,726.33 is: 582,773,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,734,468.52 : 1,069,124,864.20 = 422,302,726.33 : x
  2. Step 2: Convert to fraction form
    774,734,468.52/1,069,124,864.20 = 422,302,726.33/x
  3. Step 3: Cross multiply
    774,734,468.52x = 1,069,124,864.20 × 422,302,726.33
  4. Step 4: Simplify right side
    774,734,468.52x = 451,494,344,938,851,008
  5. Step 5: Solve for x
    x = 451,494,344,938,851,008/774,734,468.52
  6. Step 6: Final answer
    x = 582,773,018.74

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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.