Home / 3,895,894,389.76-5,376,190,223.63-2,111,709,535.82

Finding the Fourth Proportional to 3,895,894,389.76, 5,376,190,223.63 and 2,111,709,535.82

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Solution

The fourth proportional to 3,895,894,389.76, 5,376,190,223.63 and 2,111,709,535.82 is: 2,914,081,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,894,389.76 : 5,376,190,223.63 = 2,111,709,535.82 : x
  2. Step 2: Convert to fraction form
    3,895,894,389.76/5,376,190,223.63 = 2,111,709,535.82/x
  3. Step 3: Cross multiply
    3,895,894,389.76x = 5,376,190,223.63 × 2,111,709,535.82
  4. Step 4: Simplify right side
    3,895,894,389.76x = 11,352,952,161,598,572,544
  5. Step 5: Solve for x
    x = 11,352,952,161,598,572,544/3,895,894,389.76
  6. Step 6: Final answer
    x = 2,914,081,087.89

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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.