Home / 10,358,788,726.40-15,538,183,089.60-9,161,558,441.60

Finding the Fourth Proportional to 10,358,788,726.40, 15,538,183,089.60 and 9,161,558,441.60

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Solution

The fourth proportional to 10,358,788,726.40, 15,538,183,089.60 and 9,161,558,441.60 is: 13,742,337,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358,788,726.40 : 15,538,183,089.60 = 9,161,558,441.60 : x
  2. Step 2: Convert to fraction form
    10,358,788,726.40/15,538,183,089.60 = 9,161,558,441.60/x
  3. Step 3: Cross multiply
    10,358,788,726.40x = 15,538,183,089.60 × 9,161,558,441.60
  4. Step 4: Simplify right side
    10,358,788,726.40x = 142,353,972,451,651,256,320
  5. Step 5: Solve for x
    x = 142,353,972,451,651,256,320/10,358,788,726.40
  6. Step 6: Final answer
    x = 13,742,337,662.40

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Double scale
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1.5x scale

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.