Home / 1,254,235,107.72-1,881,231,093.95-380,844,153.21

Finding the Fourth Proportional to 1,254,235,107.72, 1,881,231,093.95 and 380,844,153.21

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Solution

The fourth proportional to 1,254,235,107.72, 1,881,231,093.95 and 380,844,153.21 is: 571,229,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,235,107.72 : 1,881,231,093.95 = 380,844,153.21 : x
  2. Step 2: Convert to fraction form
    1,254,235,107.72/1,881,231,093.95 = 380,844,153.21/x
  3. Step 3: Cross multiply
    1,254,235,107.72x = 1,881,231,093.95 × 380,844,153.21
  4. Step 4: Simplify right side
    1,254,235,107.72x = 716,455,862,965,805,440
  5. Step 5: Solve for x
    x = 716,455,862,965,805,440/1,254,235,107.72
  6. Step 6: Final answer
    x = 571,229,316.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.