Home / 350,280,308.89-483,306,631.18-209,124,057.10

Finding the Fourth Proportional to 350,280,308.89, 483,306,631.18 and 209,124,057.10

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Solution

The fourth proportional to 350,280,308.89, 483,306,631.18 and 209,124,057.10 is: 288,543,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,280,308.89 : 483,306,631.18 = 209,124,057.10 : x
  2. Step 2: Convert to fraction form
    350,280,308.89/483,306,631.18 = 209,124,057.10/x
  3. Step 3: Cross multiply
    350,280,308.89x = 483,306,631.18 × 209,124,057.10
  4. Step 4: Simplify right side
    350,280,308.89x = 101,071,043,535,694,960
  5. Step 5: Solve for x
    x = 101,071,043,535,694,960/350,280,308.89
  6. Step 6: Final answer
    x = 288,543,320.79

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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.