Home / 8,501,565,089.31-11,736,407,312.08-5,287,511,059.13

Finding the Fourth Proportional to 8,501,565,089.31, 11,736,407,312.08 and 5,287,511,059.13

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Solution

The fourth proportional to 8,501,565,089.31, 11,736,407,312.08 and 5,287,511,059.13 is: 7,299,406,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501,565,089.31 : 11,736,407,312.08 = 5,287,511,059.13 : x
  2. Step 2: Convert to fraction form
    8,501,565,089.31/11,736,407,312.08 = 5,287,511,059.13/x
  3. Step 3: Cross multiply
    8,501,565,089.31x = 11,736,407,312.08 × 5,287,511,059.13
  4. Step 4: Simplify right side
    8,501,565,089.31x = 62,056,383,457,077,198,848
  5. Step 5: Solve for x
    x = 62,056,383,457,077,198,848/8,501,565,089.31
  6. Step 6: Final answer
    x = 7,299,406,968.62

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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.