Home / 532,848,015.90-799,272,023.85-509,889,764.70

Finding the Fourth Proportional to 532,848,015.90, 799,272,023.85 and 509,889,764.70

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Solution

The fourth proportional to 532,848,015.90, 799,272,023.85 and 509,889,764.70 is: 764,834,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,848,015.90 : 799,272,023.85 = 509,889,764.70 : x
  2. Step 2: Convert to fraction form
    532,848,015.90/799,272,023.85 = 509,889,764.70/x
  3. Step 3: Cross multiply
    532,848,015.90x = 799,272,023.85 × 509,889,764.70
  4. Step 4: Simplify right side
    532,848,015.90x = 407,540,624,172,169,280
  5. Step 5: Solve for x
    x = 407,540,624,172,169,280/532,848,015.90
  6. Step 6: Final answer
    x = 764,834,647.05

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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.