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Finding the Fourth Proportional to 559,872,039.80, 839,808,059.70 and 253,762,023.80

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Solution

The fourth proportional to 559,872,039.80, 839,808,059.70 and 253,762,023.80 is: 380,643,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,039.80 : 839,808,059.70 = 253,762,023.80 : x
  2. Step 2: Convert to fraction form
    559,872,039.80/839,808,059.70 = 253,762,023.80/x
  3. Step 3: Cross multiply
    559,872,039.80x = 839,808,059.70 × 253,762,023.80
  4. Step 4: Simplify right side
    559,872,039.80x = 213,111,392,833,023,232
  5. Step 5: Solve for x
    x = 213,111,392,833,023,232/559,872,039.80
  6. Step 6: Final answer
    x = 380,643,035.70

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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.