Home / 317,771,639.82-438,561,603.18-185,645,664

Finding the Fourth Proportional to 317,771,639.82, 438,561,603.18 and 185,645,664

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Solution

The fourth proportional to 317,771,639.82, 438,561,603.18 and 185,645,664 is: 256,212,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,771,639.82 : 438,561,603.18 = 185,645,664 : x
  2. Step 2: Convert to fraction form
    317,771,639.82/438,561,603.18 = 185,645,664/x
  3. Step 3: Cross multiply
    317,771,639.82x = 438,561,603.18 × 185,645,664
  4. Step 4: Simplify right side
    317,771,639.82x = 81,417,060,027,255,616
  5. Step 5: Solve for x
    x = 81,417,060,027,255,616/317,771,639.82
  6. Step 6: Final answer
    x = 256,212,480.36

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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.