Home / 559,872,571.80-839,808,857.70-344,583,125.40

Finding the Fourth Proportional to 559,872,571.80, 839,808,857.70 and 344,583,125.40

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Solution

The fourth proportional to 559,872,571.80, 839,808,857.70 and 344,583,125.40 is: 516,874,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,571.80 : 839,808,857.70 = 344,583,125.40 : x
  2. Step 2: Convert to fraction form
    559,872,571.80/839,808,857.70 = 344,583,125.40/x
  3. Step 3: Cross multiply
    559,872,571.80x = 839,808,857.70 × 344,583,125.40
  4. Step 4: Simplify right side
    559,872,571.80x = 289,383,960,924,869,824
  5. Step 5: Solve for x
    x = 289,383,960,924,869,824/559,872,571.80
  6. Step 6: Final answer
    x = 516,874,688.10

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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.