Home / 18,947,360,294.69-26,146,321,319.93-10,372,128,045.89

Finding the Fourth Proportional to 18,947,360,294.69, 26,146,321,319.93 and 10,372,128,045.89

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Solution

The fourth proportional to 18,947,360,294.69, 26,146,321,319.93 and 10,372,128,045.89 is: 14,312,969,640.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947,360,294.69 : 26,146,321,319.93 = 10,372,128,045.89 : x
  2. Step 2: Convert to fraction form
    18,947,360,294.69/26,146,321,319.93 = 10,372,128,045.89/x
  3. Step 3: Cross multiply
    18,947,360,294.69x = 26,146,321,319.93 × 10,372,128,045.89
  4. Step 4: Simplify right side
    18,947,360,294.69x = 271,192,992,659,115,016,192
  5. Step 5: Solve for x
    x = 271,192,992,659,115,016,192/18,947,360,294.69
  6. Step 6: Final answer
    x = 14,312,969,640.17

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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.