Home / 38,045,934,854.54-52,503,512,782.38-21,129,582,409.04

Finding the Fourth Proportional to 38,045,934,854.54, 52,503,512,782.38 and 21,129,582,409.04

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Solution

The fourth proportional to 38,045,934,854.54, 52,503,512,782.38 and 21,129,582,409.04 is: 29,158,891,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,045,934,854.54 : 52,503,512,782.38 = 21,129,582,409.04 : x
  2. Step 2: Convert to fraction form
    38,045,934,854.54/52,503,512,782.38 = 21,129,582,409.04/x
  3. Step 3: Cross multiply
    38,045,934,854.54x = 52,503,512,782.38 × 21,129,582,409.04
  4. Step 4: Simplify right side
    38,045,934,854.54x = 1,109,377,300,099,173,187,584
  5. Step 5: Solve for x
    x = 1,109,377,300,099,173,187,584/38,045,934,854.54
  6. Step 6: Final answer
    x = 29,158,891,859.03

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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.