Home / 8,229,622,479.39-11,357,191,210.57-4,612,713,068.25

Finding the Fourth Proportional to 8,229,622,479.39, 11,357,191,210.57 and 4,612,713,068.25

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Solution

The fourth proportional to 8,229,622,479.39, 11,357,191,210.57 and 4,612,713,068.25 is: 6,365,719,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229,622,479.39 : 11,357,191,210.57 = 4,612,713,068.25 : x
  2. Step 2: Convert to fraction form
    8,229,622,479.39/11,357,191,210.57 = 4,612,713,068.25/x
  3. Step 3: Cross multiply
    8,229,622,479.39x = 11,357,191,210.57 × 4,612,713,068.25
  4. Step 4: Simplify right side
    8,229,622,479.39x = 52,387,464,315,601,051,648
  5. Step 5: Solve for x
    x = 52,387,464,315,601,051,648/8,229,622,479.39
  6. Step 6: Final answer
    x = 6,365,719,016.49

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Double scale
Find fourth proportional to 8,229,622,480.39, 11,357,191,211.95 and 4,612,713,069.25
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1.5x scale

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.