Home / 559,872,912.20-839,809,368.30-414,754,089.80

Finding the Fourth Proportional to 559,872,912.20, 839,809,368.30 and 414,754,089.80

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Solution

The fourth proportional to 559,872,912.20, 839,809,368.30 and 414,754,089.80 is: 622,131,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,912.20 : 839,809,368.30 = 414,754,089.80 : x
  2. Step 2: Convert to fraction form
    559,872,912.20/839,809,368.30 = 414,754,089.80/x
  3. Step 3: Cross multiply
    559,872,912.20x = 839,809,368.30 × 414,754,089.80
  4. Step 4: Simplify right side
    559,872,912.20x = 348,314,370,154,779,456
  5. Step 5: Solve for x
    x = 348,314,370,154,779,456/559,872,912.20
  6. Step 6: Final answer
    x = 622,131,134.70

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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.