Home / 936,056,266.32-1,291,798,252.92-518,368,551.66

Finding the Fourth Proportional to 936,056,266.32, 1,291,798,252.92 and 518,368,551.66

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Solution

The fourth proportional to 936,056,266.32, 1,291,798,252.92 and 518,368,551.66 is: 715,371,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,056,266.32 : 1,291,798,252.92 = 518,368,551.66 : x
  2. Step 2: Convert to fraction form
    936,056,266.32/1,291,798,252.92 = 518,368,551.66/x
  3. Step 3: Cross multiply
    936,056,266.32x = 1,291,798,252.92 × 518,368,551.66
  4. Step 4: Simplify right side
    936,056,266.32x = 669,627,589,403,058,816
  5. Step 5: Solve for x
    x = 669,627,589,403,058,816/936,056,266.32
  6. Step 6: Final answer
    x = 715,371,087.72

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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.