Home / 662,543,177.68-914,313,200.52-384,249,693.52

Finding the Fourth Proportional to 662,543,177.68, 914,313,200.52 and 384,249,693.52

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Solution

The fourth proportional to 662,543,177.68, 914,313,200.52 and 384,249,693.52 is: 530,266,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,543,177.68 : 914,313,200.52 = 384,249,693.52 : x
  2. Step 2: Convert to fraction form
    662,543,177.68/914,313,200.52 = 384,249,693.52/x
  3. Step 3: Cross multiply
    662,543,177.68x = 914,313,200.52 × 384,249,693.52
  4. Step 4: Simplify right side
    662,543,177.68x = 351,324,567,081,100,288
  5. Step 5: Solve for x
    x = 351,324,567,081,100,288/662,543,177.68
  6. Step 6: Final answer
    x = 530,266,673.81

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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.