Home / 418,134,650.22-627,161,107.59-127,004,301.18

Finding the Fourth Proportional to 418,134,650.22, 627,161,107.59 and 127,004,301.18

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Solution

The fourth proportional to 418,134,650.22, 627,161,107.59 and 127,004,301.18 is: 190,494,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,134,650.22 : 627,161,107.59 = 127,004,301.18 : x
  2. Step 2: Convert to fraction form
    418,134,650.22/627,161,107.59 = 127,004,301.18/x
  3. Step 3: Cross multiply
    418,134,650.22x = 627,161,107.59 × 127,004,301.18
  4. Step 4: Simplify right side
    418,134,650.22x = 79,652,158,196,742,752
  5. Step 5: Solve for x
    x = 79,652,158,196,742,752/418,134,650.22
  6. Step 6: Final answer
    x = 190,494,038.59

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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.