Home / 879,536,437.54-1,319,466,847.87-289,359,892.96

Finding the Fourth Proportional to 879,536,437.54, 1,319,466,847.87 and 289,359,892.96

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Solution

The fourth proportional to 879,536,437.54, 1,319,466,847.87 and 289,359,892.96 is: 434,093,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,536,437.54 : 1,319,466,847.87 = 289,359,892.96 : x
  2. Step 2: Convert to fraction form
    879,536,437.54/1,319,466,847.87 = 289,359,892.96/x
  3. Step 3: Cross multiply
    879,536,437.54x = 1,319,466,847.87 × 289,359,892.96
  4. Step 4: Simplify right side
    879,536,437.54x = 381,800,785,860,980,352
  5. Step 5: Solve for x
    x = 381,800,785,860,980,352/879,536,437.54
  6. Step 6: Final answer
    x = 434,093,199.06

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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.