Home / 275,038,984-379,607,714.76-157,642,999.66

Finding the Fourth Proportional to 275,038,984, 379,607,714.76 and 157,642,999.66

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Solution

The fourth proportional to 275,038,984, 379,607,714.76 and 157,642,999.66 is: 217,578,242.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,038,984 : 379,607,714.76 = 157,642,999.66 : x
  2. Step 2: Convert to fraction form
    275,038,984/379,607,714.76 = 157,642,999.66/x
  3. Step 3: Cross multiply
    275,038,984x = 379,607,714.76 × 157,642,999.66
  4. Step 4: Simplify right side
    275,038,984x = 59,842,498,848,844,056
  5. Step 5: Solve for x
    x = 59,842,498,848,844,056/275,038,984
  6. Step 6: Final answer
    x = 217,578,242.83

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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.