Home / 313,333,796,272.32-432,402,103,152.72-178,010,402,268.96

Finding the Fourth Proportional to 313,333,796,272.32, 432,402,103,152.72 and 178,010,402,268.96

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Solution

The fourth proportional to 313,333,796,272.32, 432,402,103,152.72 and 178,010,402,268.96 is: 245,655,187,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,333,796,272.32 : 432,402,103,152.72 = 178,010,402,268.96 : x
  2. Step 2: Convert to fraction form
    313,333,796,272.32/432,402,103,152.72 = 178,010,402,268.96/x
  3. Step 3: Cross multiply
    313,333,796,272.32x = 432,402,103,152.72 × 178,010,402,268.96
  4. Step 4: Simplify right side
    313,333,796,272.32x = 76,972,072,324,160,022,380,544
  5. Step 5: Solve for x
    x = 76,972,072,324,160,022,380,544/313,333,796,272.32
  6. Step 6: Final answer
    x = 245,655,187,023.82

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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.