Home / 888,014,141.28-1,331,562,246.48-389,820,751.20

Finding the Fourth Proportional to 888,014,141.28, 1,331,562,246.48 and 389,820,751.20

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Solution

The fourth proportional to 888,014,141.28, 1,331,562,246.48 and 389,820,751.20 is: 584,529,649.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,014,141.28 : 1,331,562,246.48 = 389,820,751.20 : x
  2. Step 2: Convert to fraction form
    888,014,141.28/1,331,562,246.48 = 389,820,751.20/x
  3. Step 3: Cross multiply
    888,014,141.28x = 1,331,562,246.48 × 389,820,751.20
  4. Step 4: Simplify right side
    888,014,141.28x = 519,070,595,192,393,152
  5. Step 5: Solve for x
    x = 519,070,595,192,393,152/888,014,141.28
  6. Step 6: Final answer
    x = 584,529,649.99

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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.