Home / 226,574,120,112.52-312,670,695,155.24-123,691,239,783.20

Finding the Fourth Proportional to 226,574,120,112.52, 312,670,695,155.24 and 123,691,239,783.20

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Solution

The fourth proportional to 226,574,120,112.52, 312,670,695,155.24 and 123,691,239,783.20 is: 170,693,042,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,574,120,112.52 : 312,670,695,155.24 = 123,691,239,783.20 : x
  2. Step 2: Convert to fraction form
    226,574,120,112.52/312,670,695,155.24 = 123,691,239,783.20/x
  3. Step 3: Cross multiply
    226,574,120,112.52x = 312,670,695,155.24 × 123,691,239,783.20
  4. Step 4: Simplify right side
    226,574,120,112.52x = 38,674,625,927,626,623,025,152
  5. Step 5: Solve for x
    x = 38,674,625,927,626,623,025,152/226,574,120,112.52
  6. Step 6: Final answer
    x = 170,693,042,561.17

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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.