Home / 757,996,894.80-1,136,995,342.20-212,738,428.80

Finding the Fourth Proportional to 757,996,894.80, 1,136,995,342.20 and 212,738,428.80

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Solution

The fourth proportional to 757,996,894.80, 1,136,995,342.20 and 212,738,428.80 is: 319,107,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,996,894.80 : 1,136,995,342.20 = 212,738,428.80 : x
  2. Step 2: Convert to fraction form
    757,996,894.80/1,136,995,342.20 = 212,738,428.80/x
  3. Step 3: Cross multiply
    757,996,894.80x = 1,136,995,342.20 × 212,738,428.80
  4. Step 4: Simplify right side
    757,996,894.80x = 241,882,602,652,546,368
  5. Step 5: Solve for x
    x = 241,882,602,652,546,368/757,996,894.80
  6. Step 6: Final answer
    x = 319,107,643.20

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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.