Home / 38,212,938,554.75-52,734,015,024.90-21,065,415,504.72

Finding the Fourth Proportional to 38,212,938,554.75, 52,734,015,024.90 and 21,065,415,504.72

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Solution

The fourth proportional to 38,212,938,554.75, 52,734,015,024.90 and 21,065,415,504.72 is: 29,070,361,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212,938,554.75 : 52,734,015,024.90 = 21,065,415,504.72 : x
  2. Step 2: Convert to fraction form
    38,212,938,554.75/52,734,015,024.90 = 21,065,415,504.72/x
  3. Step 3: Cross multiply
    38,212,938,554.75x = 52,734,015,024.90 × 21,065,415,504.72
  4. Step 4: Simplify right side
    38,212,938,554.75x = 1,110,863,937,731,423,502,336
  5. Step 5: Solve for x
    x = 1,110,863,937,731,423,502,336/38,212,938,554.75
  6. Step 6: Final answer
    x = 29,070,361,499.15

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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.