Home / 19,182,781,801.28-26,470,895,019.72-11,153,552,702.96

Finding the Fourth Proportional to 19,182,781,801.28, 26,470,895,019.72 and 11,153,552,702.96

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Solution

The fourth proportional to 19,182,781,801.28, 26,470,895,019.72 and 11,153,552,702.96 is: 15,391,121,358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182,781,801.28 : 26,470,895,019.72 = 11,153,552,702.96 : x
  2. Step 2: Convert to fraction form
    19,182,781,801.28/26,470,895,019.72 = 11,153,552,702.96/x
  3. Step 3: Cross multiply
    19,182,781,801.28x = 26,470,895,019.72 × 11,153,552,702.96
  4. Step 4: Simplify right side
    19,182,781,801.28x = 295,244,522,696,968,372,224
  5. Step 5: Solve for x
    x = 295,244,522,696,968,372,224/19,182,781,801.28
  6. Step 6: Final answer
    x = 15,391,121,358.49

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Double scale
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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.