Home / 165,549,261,961.47-248,323,892,663.60-39,779,858,997.28

Finding the Fourth Proportional to 165,549,261,961.47, 248,323,892,663.60 and 39,779,858,997.28

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Solution

The fourth proportional to 165,549,261,961.47, 248,323,892,663.60 and 39,779,858,997.28 is: 59,669,788,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,549,261,961.47 : 248,323,892,663.60 = 39,779,858,997.28 : x
  2. Step 2: Convert to fraction form
    165,549,261,961.47/248,323,892,663.60 = 39,779,858,997.28/x
  3. Step 3: Cross multiply
    165,549,261,961.47x = 248,323,892,663.60 × 39,779,858,997.28
  4. Step 4: Simplify right side
    165,549,261,961.47x = 9,878,289,435,813,700,698,112
  5. Step 5: Solve for x
    x = 9,878,289,435,813,700,698,112/165,549,261,961.47
  6. Step 6: Final answer
    x = 59,669,788,428.97

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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.