Home / 672,950,068.10-1,009,780,744.38-477,476,758.09

Finding the Fourth Proportional to 672,950,068.10, 1,009,780,744.38 and 477,476,758.09

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Solution

The fourth proportional to 672,950,068.10, 1,009,780,744.38 and 477,476,758.09 is: 716,467,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,950,068.10 : 1,009,780,744.38 = 477,476,758.09 : x
  2. Step 2: Convert to fraction form
    672,950,068.10/1,009,780,744.38 = 477,476,758.09/x
  3. Step 3: Cross multiply
    672,950,068.10x = 1,009,780,744.38 × 477,476,758.09
  4. Step 4: Simplify right side
    672,950,068.10x = 482,146,836,207,764,928
  5. Step 5: Solve for x
    x = 482,146,836,207,764,928/672,950,068.10
  6. Step 6: Final answer
    x = 716,467,475.17

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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.