Home / 28,435,589,495.92-39,241,244,592.66-15,748,059,178.36

Finding the Fourth Proportional to 28,435,589,495.92, 39,241,244,592.66 and 15,748,059,178.36

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Solution

The fourth proportional to 28,435,589,495.92, 39,241,244,592.66 and 15,748,059,178.36 is: 21,732,394,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435,589,495.92 : 39,241,244,592.66 = 15,748,059,178.36 : x
  2. Step 2: Convert to fraction form
    28,435,589,495.92/39,241,244,592.66 = 15,748,059,178.36/x
  3. Step 3: Cross multiply
    28,435,589,495.92x = 39,241,244,592.66 × 15,748,059,178.36
  4. Step 4: Simplify right side
    28,435,589,495.92x = 617,973,442,077,709,172,736
  5. Step 5: Solve for x
    x = 617,973,442,077,709,172,736/28,435,589,495.92
  6. Step 6: Final answer
    x = 21,732,394,264.81

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1.5x scale

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.