Home / 559,872,934.40-839,809,401.60-444,231,372.80

Finding the Fourth Proportional to 559,872,934.40, 839,809,401.60 and 444,231,372.80

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Solution

The fourth proportional to 559,872,934.40, 839,809,401.60 and 444,231,372.80 is: 666,347,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,934.40 : 839,809,401.60 = 444,231,372.80 : x
  2. Step 2: Convert to fraction form
    559,872,934.40/839,809,401.60 = 444,231,372.80/x
  3. Step 3: Cross multiply
    559,872,934.40x = 839,809,401.60 × 444,231,372.80
  4. Step 4: Simplify right side
    559,872,934.40x = 373,069,683,363,114,560
  5. Step 5: Solve for x
    x = 373,069,683,363,114,560/559,872,934.40
  6. Step 6: Final answer
    x = 666,347,059.20

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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.