Home / 476,765,330.20-657,972,969.38-286,033,499.82

Finding the Fourth Proportional to 476,765,330.20, 657,972,969.38 and 286,033,499.82

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Solution

The fourth proportional to 476,765,330.20, 657,972,969.38 and 286,033,499.82 is: 394,748,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,765,330.20 : 657,972,969.38 = 286,033,499.82 : x
  2. Step 2: Convert to fraction form
    476,765,330.20/657,972,969.38 = 286,033,499.82/x
  3. Step 3: Cross multiply
    476,765,330.20x = 657,972,969.38 × 286,033,499.82
  4. Step 4: Simplify right side
    476,765,330.20x = 188,202,311,215,429,216
  5. Step 5: Solve for x
    x = 188,202,311,215,429,216/476,765,330.20
  6. Step 6: Final answer
    x = 394,748,315.98

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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.