Home / 20,896,348,812.35-31,358,008,238.66-7,630,496,394.17

Finding the Fourth Proportional to 20,896,348,812.35, 31,358,008,238.66 and 7,630,496,394.17

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Solution

The fourth proportional to 20,896,348,812.35, 31,358,008,238.66 and 7,630,496,394.17 is: 11,450,668,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,348,812.35 : 31,358,008,238.66 = 7,630,496,394.17 : x
  2. Step 2: Convert to fraction form
    20,896,348,812.35/31,358,008,238.66 = 7,630,496,394.17/x
  3. Step 3: Cross multiply
    20,896,348,812.35x = 31,358,008,238.66 × 7,630,496,394.17
  4. Step 4: Simplify right side
    20,896,348,812.35x = 239,277,168,793,448,284,160
  5. Step 5: Solve for x
    x = 239,277,168,793,448,284,160/20,896,348,812.35
  6. Step 6: Final answer
    x = 11,450,668,771.95

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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.