Home / 502,559,915,988.70-693,531,739,634.70-274,189,312,673.92

Finding the Fourth Proportional to 502,559,915,988.70, 693,531,739,634.70 and 274,189,312,673.92

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Solution

The fourth proportional to 502,559,915,988.70, 693,531,739,634.70 and 274,189,312,673.92 is: 378,380,736,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,559,915,988.70 : 693,531,739,634.70 = 274,189,312,673.92 : x
  2. Step 2: Convert to fraction form
    502,559,915,988.70/693,531,739,634.70 = 274,189,312,673.92/x
  3. Step 3: Cross multiply
    502,559,915,988.70x = 693,531,739,634.70 × 274,189,312,673.92
  4. Step 4: Simplify right side
    502,559,915,988.70x = 190,158,991,007,986,443,354,112
  5. Step 5: Solve for x
    x = 190,158,991,007,986,443,354,112/502,559,915,988.70
  6. Step 6: Final answer
    x = 378,380,736,223.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.