Home / 13,315,195,448.76-18,368,003,249.60-8,232,934,779.48

Finding the Fourth Proportional to 13,315,195,448.76, 18,368,003,249.60 and 8,232,934,779.48

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Solution

The fourth proportional to 13,315,195,448.76, 18,368,003,249.60 and 8,232,934,779.48 is: 11,357,142,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,195,448.76 : 18,368,003,249.60 = 8,232,934,779.48 : x
  2. Step 2: Convert to fraction form
    13,315,195,448.76/18,368,003,249.60 = 8,232,934,779.48/x
  3. Step 3: Cross multiply
    13,315,195,448.76x = 18,368,003,249.60 × 8,232,934,779.48
  4. Step 4: Simplify right side
    13,315,195,448.76x = 151,222,572,783,192,342,528
  5. Step 5: Solve for x
    x = 151,222,572,783,192,342,528/13,315,195,448.76
  6. Step 6: Final answer
    x = 11,357,142,549.29

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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.