Home / 743,549,396.17-1,115,087,468.83-245,467,171.22

Finding the Fourth Proportional to 743,549,396.17, 1,115,087,468.83 and 245,467,171.22

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Solution

The fourth proportional to 743,549,396.17, 1,115,087,468.83 and 245,467,171.22 is: 368,122,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,549,396.17 : 1,115,087,468.83 = 245,467,171.22 : x
  2. Step 2: Convert to fraction form
    743,549,396.17/1,115,087,468.83 = 245,467,171.22/x
  3. Step 3: Cross multiply
    743,549,396.17x = 1,115,087,468.83 × 245,467,171.22
  4. Step 4: Simplify right side
    743,549,396.17x = 273,717,366,636,570,016
  5. Step 5: Solve for x
    x = 273,717,366,636,570,016/743,549,396.17
  6. Step 6: Final answer
    x = 368,122,639.93

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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.