Home / 85,488,137,409.60-128,233,193,199.84-25,797,316,564.80

Finding the Fourth Proportional to 85,488,137,409.60, 128,233,193,199.84 and 25,797,316,564.80

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Solution

The fourth proportional to 85,488,137,409.60, 128,233,193,199.84 and 25,797,316,564.80 is: 38,696,272,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,488,137,409.60 : 128,233,193,199.84 = 25,797,316,564.80 : x
  2. Step 2: Convert to fraction form
    85,488,137,409.60/128,233,193,199.84 = 25,797,316,564.80/x
  3. Step 3: Cross multiply
    85,488,137,409.60x = 128,233,193,199.84 × 25,797,316,564.80
  4. Step 4: Simplify right side
    85,488,137,409.60x = 3,308,072,279,091,431,079,936
  5. Step 5: Solve for x
    x = 3,308,072,279,091,431,079,936/85,488,137,409.60
  6. Step 6: Final answer
    x = 38,696,272,714.91

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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.