Home / 775,807,165.38-1,070,636,564.79-423,405,773.31

Finding the Fourth Proportional to 775,807,165.38, 1,070,636,564.79 and 423,405,773.31

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Solution

The fourth proportional to 775,807,165.38, 1,070,636,564.79 and 423,405,773.31 is: 584,312,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,807,165.38 : 1,070,636,564.79 = 423,405,773.31 : x
  2. Step 2: Convert to fraction form
    775,807,165.38/1,070,636,564.79 = 423,405,773.31/x
  3. Step 3: Cross multiply
    775,807,165.38x = 1,070,636,564.79 × 423,405,773.31
  4. Step 4: Simplify right side
    775,807,165.38x = 453,313,702,648,871,872
  5. Step 5: Solve for x
    x = 453,313,702,648,871,872/775,807,165.38
  6. Step 6: Final answer
    x = 584,312,343.17

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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.