Home / 693,743,988.17-957,427,241.06-380,538,736.81

Finding the Fourth Proportional to 693,743,988.17, 957,427,241.06 and 380,538,736.81

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Solution

The fourth proportional to 693,743,988.17, 957,427,241.06 and 380,538,736.81 is: 525,176,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,743,988.17 : 957,427,241.06 = 380,538,736.81 : x
  2. Step 2: Convert to fraction form
    693,743,988.17/957,427,241.06 = 380,538,736.81/x
  3. Step 3: Cross multiply
    693,743,988.17x = 957,427,241.06 × 380,538,736.81
  4. Step 4: Simplify right side
    693,743,988.17x = 364,338,152,900,455,744
  5. Step 5: Solve for x
    x = 364,338,152,900,455,744/693,743,988.17
  6. Step 6: Final answer
    x = 525,176,663.31

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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.