Home / 415,456,278,929.79-622,372,824,837.98-286,208,824,484.85

Finding the Fourth Proportional to 415,456,278,929.79, 622,372,824,837.98 and 286,208,824,484.85

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Solution

The fourth proportional to 415,456,278,929.79, 622,372,824,837.98 and 286,208,824,484.85 is: 428,754,127,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,456,278,929.79 : 622,372,824,837.98 = 286,208,824,484.85 : x
  2. Step 2: Convert to fraction form
    415,456,278,929.79/622,372,824,837.98 = 286,208,824,484.85/x
  3. Step 3: Cross multiply
    415,456,278,929.79x = 622,372,824,837.98 × 286,208,824,484.85
  4. Step 4: Simplify right side
    415,456,278,929.79x = 178,128,594,588,193,693,630,464
  5. Step 5: Solve for x
    x = 178,128,594,588,193,693,630,464/415,456,278,929.79
  6. Step 6: Final answer
    x = 428,754,127,984.42

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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.