Home / 64,116,296,788.38-88,443,728,649.07-39,988,429,457.70

Finding the Fourth Proportional to 64,116,296,788.38, 88,443,728,649.07 and 39,988,429,457.70

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Solution

The fourth proportional to 64,116,296,788.38, 88,443,728,649.07 and 39,988,429,457.70 is: 55,161,105,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,116,296,788.38 : 88,443,728,649.07 = 39,988,429,457.70 : x
  2. Step 2: Convert to fraction form
    64,116,296,788.38/88,443,728,649.07 = 39,988,429,457.70/x
  3. Step 3: Cross multiply
    64,116,296,788.38x = 88,443,728,649.07 × 39,988,429,457.70
  4. Step 4: Simplify right side
    64,116,296,788.38x = 3,536,725,804,059,296,006,144
  5. Step 5: Solve for x
    x = 3,536,725,804,059,296,006,144/64,116,296,788.38
  6. Step 6: Final answer
    x = 55,161,105,385.30

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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.