Home / 64,116,296,771.58-88,443,728,625.96-39,988,429,440.93

Finding the Fourth Proportional to 64,116,296,771.58, 88,443,728,625.96 and 39,988,429,440.93

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Solution

The fourth proportional to 64,116,296,771.58, 88,443,728,625.96 and 39,988,429,440.93 is: 55,161,105,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,116,296,771.58 : 88,443,728,625.96 = 39,988,429,440.93 : x
  2. Step 2: Convert to fraction form
    64,116,296,771.58/88,443,728,625.96 = 39,988,429,440.93/x
  3. Step 3: Cross multiply
    64,116,296,771.58x = 88,443,728,625.96 × 39,988,429,440.93
  4. Step 4: Simplify right side
    64,116,296,771.58x = 3,536,725,801,651,962,642,432
  5. Step 5: Solve for x
    x = 3,536,725,801,651,962,642,432/64,116,296,771.58
  6. Step 6: Final answer
    x = 55,161,105,362.21

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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.