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Finding the Fourth Proportional to 559,872,604.80, 839,808,907.20 and 512,255,491.20

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Solution

The fourth proportional to 559,872,604.80, 839,808,907.20 and 512,255,491.20 is: 768,383,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,604.80 : 839,808,907.20 = 512,255,491.20 : x
  2. Step 2: Convert to fraction form
    559,872,604.80/839,808,907.20 = 512,255,491.20/x
  3. Step 3: Cross multiply
    559,872,604.80x = 839,808,907.20 × 512,255,491.20
  4. Step 4: Simplify right side
    559,872,604.80x = 430,196,724,271,871,232
  5. Step 5: Solve for x
    x = 430,196,724,271,871,232/559,872,604.80
  6. Step 6: Final answer
    x = 768,383,236.80

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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.