Home / 38,600,918,181.45-57,868,215,575.21-13,415,362,878.74

Finding the Fourth Proportional to 38,600,918,181.45, 57,868,215,575.21 and 13,415,362,878.74

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Solution

The fourth proportional to 38,600,918,181.45, 57,868,215,575.21 and 13,415,362,878.74 is: 20,111,519,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600,918,181.45 : 57,868,215,575.21 = 13,415,362,878.74 : x
  2. Step 2: Convert to fraction form
    38,600,918,181.45/57,868,215,575.21 = 13,415,362,878.74/x
  3. Step 3: Cross multiply
    38,600,918,181.45x = 57,868,215,575.21 × 13,415,362,878.74
  4. Step 4: Simplify right side
    38,600,918,181.45x = 776,323,111,086,280,015,872
  5. Step 5: Solve for x
    x = 776,323,111,086,280,015,872/38,600,918,181.45
  6. Step 6: Final answer
    x = 20,111,519,302.13

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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.