Home / 415,456,278,927.15-622,372,824,834-286,208,824,482.22

Finding the Fourth Proportional to 415,456,278,927.15, 622,372,824,834 and 286,208,824,482.22

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Solution

The fourth proportional to 415,456,278,927.15, 622,372,824,834 and 286,208,824,482.22 is: 428,754,127,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,456,278,927.15 : 622,372,824,834 = 286,208,824,482.22 : x
  2. Step 2: Convert to fraction form
    415,456,278,927.15/622,372,824,834 = 286,208,824,482.22/x
  3. Step 3: Cross multiply
    415,456,278,927.15x = 622,372,824,834 × 286,208,824,482.22
  4. Step 4: Simplify right side
    415,456,278,927.15x = 178,128,594,585,417,735,471,104
  5. Step 5: Solve for x
    x = 178,128,594,585,417,735,471,104/415,456,278,927.15
  6. Step 6: Final answer
    x = 428,754,127,980.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.