Home / 418,159,554,539.20-627,239,297,216.14-115,972,153,341.25

Finding the Fourth Proportional to 418,159,554,539.20, 627,239,297,216.14 and 115,972,153,341.25

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Solution

The fourth proportional to 418,159,554,539.20, 627,239,297,216.14 and 115,972,153,341.25 is: 173,958,220,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,159,554,539.20 : 627,239,297,216.14 = 115,972,153,341.25 : x
  2. Step 2: Convert to fraction form
    418,159,554,539.20/627,239,297,216.14 = 115,972,153,341.25/x
  3. Step 3: Cross multiply
    418,159,554,539.20x = 627,239,297,216.14 × 115,972,153,341.25
  4. Step 4: Simplify right side
    418,159,554,539.20x = 72,742,291,958,408,077,639,680
  5. Step 5: Solve for x
    x = 72,742,291,958,408,077,639,680/418,159,554,539.20
  6. Step 6: Final answer
    x = 173,958,220,417.97

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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.