Home / 391,529,140.84-540,089,848.74-234,854,560.36

Finding the Fourth Proportional to 391,529,140.84, 540,089,848.74 and 234,854,560.36

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Solution

The fourth proportional to 391,529,140.84, 540,089,848.74 and 234,854,560.36 is: 323,967,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,529,140.84 : 540,089,848.74 = 234,854,560.36 : x
  2. Step 2: Convert to fraction form
    391,529,140.84/540,089,848.74 = 234,854,560.36/x
  3. Step 3: Cross multiply
    391,529,140.84x = 540,089,848.74 × 234,854,560.36
  4. Step 4: Simplify right side
    391,529,140.84x = 126,842,563,980,731,616
  5. Step 5: Solve for x
    x = 126,842,563,980,731,616/391,529,140.84
  6. Step 6: Final answer
    x = 323,967,109.34

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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.