Home / 930,875,793.30-1,396,201,715.55-385,560,465.30

Finding the Fourth Proportional to 930,875,793.30, 1,396,201,715.55 and 385,560,465.30

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Solution

The fourth proportional to 930,875,793.30, 1,396,201,715.55 and 385,560,465.30 is: 578,294,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,875,793.30 : 1,396,201,715.55 = 385,560,465.30 : x
  2. Step 2: Convert to fraction form
    930,875,793.30/1,396,201,715.55 = 385,560,465.30/x
  3. Step 3: Cross multiply
    930,875,793.30x = 1,396,201,715.55 × 385,560,465.30
  4. Step 4: Simplify right side
    930,875,793.30x = 538,320,183,100,116,224
  5. Step 5: Solve for x
    x = 538,320,183,100,116,224/930,875,793.30
  6. Step 6: Final answer
    x = 578,294,319.15

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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.