Home / 313,333,796,272.82-432,402,103,153.41-178,010,402,269.46

Finding the Fourth Proportional to 313,333,796,272.82, 432,402,103,153.41 and 178,010,402,269.46

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Solution

The fourth proportional to 313,333,796,272.82, 432,402,103,153.41 and 178,010,402,269.46 is: 245,655,187,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,333,796,272.82 : 432,402,103,153.41 = 178,010,402,269.46 : x
  2. Step 2: Convert to fraction form
    313,333,796,272.82/432,402,103,153.41 = 178,010,402,269.46/x
  3. Step 3: Cross multiply
    313,333,796,272.82x = 432,402,103,153.41 × 178,010,402,269.46
  4. Step 4: Simplify right side
    313,333,796,272.82x = 76,972,072,324,499,039,584,256
  5. Step 5: Solve for x
    x = 76,972,072,324,499,039,584,256/313,333,796,272.82
  6. Step 6: Final answer
    x = 245,655,187,024.51

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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.