Home / 316,762,781,203.26-437,140,922,826.88-172,255,362,578.82

Finding the Fourth Proportional to 316,762,781,203.26, 437,140,922,826.88 and 172,255,362,578.82

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Solution

The fourth proportional to 316,762,781,203.26, 437,140,922,826.88 and 172,255,362,578.82 is: 237,716,905,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,762,781,203.26 : 437,140,922,826.88 = 172,255,362,578.82 : x
  2. Step 2: Convert to fraction form
    316,762,781,203.26/437,140,922,826.88 = 172,255,362,578.82/x
  3. Step 3: Cross multiply
    316,762,781,203.26x = 437,140,922,826.88 × 172,255,362,578.82
  4. Step 4: Simplify right side
    316,762,781,203.26x = 75,299,868,159,584,187,187,200
  5. Step 5: Solve for x
    x = 75,299,868,159,584,187,187,200/316,762,781,203.26
  6. Step 6: Final answer
    x = 237,716,905,608.51

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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.