Home / 3,895,894,510.50-5,376,190,389.74-2,111,709,656.52

Finding the Fourth Proportional to 3,895,894,510.50, 5,376,190,389.74 and 2,111,709,656.52

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Solution

The fourth proportional to 3,895,894,510.50, 5,376,190,389.74 and 2,111,709,656.52 is: 2,914,081,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,894,510.50 : 5,376,190,389.74 = 2,111,709,656.52 : x
  2. Step 2: Convert to fraction form
    3,895,894,510.50/5,376,190,389.74 = 2,111,709,656.52/x
  3. Step 3: Cross multiply
    3,895,894,510.50x = 5,376,190,389.74 × 2,111,709,656.52
  4. Step 4: Simplify right side
    3,895,894,510.50x = 11,352,953,161,303,980,032
  5. Step 5: Solve for x
    x = 11,352,953,161,303,980,032/3,895,894,510.50
  6. Step 6: Final answer
    x = 2,914,081,254.18

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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.