Home / 11,640,578,481.42-16,066,987,168.84-7,581,594,809.14

Finding the Fourth Proportional to 11,640,578,481.42, 16,066,987,168.84 and 7,581,594,809.14

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Solution

The fourth proportional to 11,640,578,481.42, 16,066,987,168.84 and 7,581,594,809.14 is: 10,464,547,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640,578,481.42 : 16,066,987,168.84 = 7,581,594,809.14 : x
  2. Step 2: Convert to fraction form
    11,640,578,481.42/16,066,987,168.84 = 7,581,594,809.14/x
  3. Step 3: Cross multiply
    11,640,578,481.42x = 16,066,987,168.84 × 7,581,594,809.14
  4. Step 4: Simplify right side
    11,640,578,481.42x = 121,813,386,517,796,339,712
  5. Step 5: Solve for x
    x = 121,813,386,517,796,339,712/11,640,578,481.42
  6. Step 6: Final answer
    x = 10,464,547,506.14

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Double scale
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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.