Home / 402,732,961.86-604,190,333.48-122,638,932.63

Finding the Fourth Proportional to 402,732,961.86, 604,190,333.48 and 122,638,932.63

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Solution

The fourth proportional to 402,732,961.86, 604,190,333.48 and 122,638,932.63 is: 183,986,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,732,961.86 : 604,190,333.48 = 122,638,932.63 : x
  2. Step 2: Convert to fraction form
    402,732,961.86/604,190,333.48 = 122,638,932.63/x
  3. Step 3: Cross multiply
    402,732,961.86x = 604,190,333.48 × 122,638,932.63
  4. Step 4: Simplify right side
    402,732,961.86x = 74,097,257,603,350,960
  5. Step 5: Solve for x
    x = 74,097,257,603,350,960/402,732,961.86
  6. Step 6: Final answer
    x = 183,986,076.68

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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.