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Finding the Fourth Proportional to 559,872,208.70, 839,808,313.05 and 534,363,040.70

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Solution

The fourth proportional to 559,872,208.70, 839,808,313.05 and 534,363,040.70 is: 801,544,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,208.70 : 839,808,313.05 = 534,363,040.70 : x
  2. Step 2: Convert to fraction form
    559,872,208.70/839,808,313.05 = 534,363,040.70/x
  3. Step 3: Cross multiply
    559,872,208.70x = 839,808,313.05 × 534,363,040.70
  4. Step 4: Simplify right side
    559,872,208.70x = 448,762,523,766,535,424
  5. Step 5: Solve for x
    x = 448,762,523,766,535,424/559,872,208.70
  6. Step 6: Final answer
    x = 801,544,561.05

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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.