Home / 38,347,266,279.08-52,920,861,782.82-21,430,913,334.78

Finding the Fourth Proportional to 38,347,266,279.08, 52,920,861,782.82 and 21,430,913,334.78

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Solution

The fourth proportional to 38,347,266,279.08, 52,920,861,782.82 and 21,430,913,334.78 is: 29,575,573,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347,266,279.08 : 52,920,861,782.82 = 21,430,913,334.78 : x
  2. Step 2: Convert to fraction form
    38,347,266,279.08/52,920,861,782.82 = 21,430,913,334.78/x
  3. Step 3: Cross multiply
    38,347,266,279.08x = 52,920,861,782.82 × 21,430,913,334.78
  4. Step 4: Simplify right side
    38,347,266,279.08x = 1,134,142,402,469,486,395,392
  5. Step 5: Solve for x
    x = 1,134,142,402,469,486,395,392/38,347,266,279.08
  6. Step 6: Final answer
    x = 29,575,573,763.60

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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.