Home / 756,002,373.40-1,133,107,764.90-319,302,213.40

Finding the Fourth Proportional to 756,002,373.40, 1,133,107,764.90 and 319,302,213.40

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Solution

The fourth proportional to 756,002,373.40, 1,133,107,764.90 and 319,302,213.40 is: 478,574,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,002,373.40 : 1,133,107,764.90 = 319,302,213.40 : x
  2. Step 2: Convert to fraction form
    756,002,373.40/1,133,107,764.90 = 319,302,213.40/x
  3. Step 3: Cross multiply
    756,002,373.40x = 1,133,107,764.90 × 319,302,213.40
  4. Step 4: Simplify right side
    756,002,373.40x = 361,803,817,353,296,832
  5. Step 5: Solve for x
    x = 361,803,817,353,296,832/756,002,373.40
  6. Step 6: Final answer
    x = 478,574,975.53

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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.