Home / 538,604,500.32-808,140,059.64-289,318,881.60

Finding the Fourth Proportional to 538,604,500.32, 808,140,059.64 and 289,318,881.60

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Solution

The fourth proportional to 538,604,500.32, 808,140,059.64 and 289,318,881.60 is: 434,103,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,604,500.32 : 808,140,059.64 = 289,318,881.60 : x
  2. Step 2: Convert to fraction form
    538,604,500.32/808,140,059.64 = 289,318,881.60/x
  3. Step 3: Cross multiply
    538,604,500.32x = 808,140,059.64 × 289,318,881.60
  4. Step 4: Simplify right side
    538,604,500.32x = 233,810,178,231,202,112
  5. Step 5: Solve for x
    x = 233,810,178,231,202,112/538,604,500.32
  6. Step 6: Final answer
    x = 434,103,647.65

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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.