Home / 71,940,758,835.04-99,274,314,061.11-39,381,673,890.37

Finding the Fourth Proportional to 71,940,758,835.04, 99,274,314,061.11 and 39,381,673,890.37

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Solution

The fourth proportional to 71,940,758,835.04, 99,274,314,061.11 and 39,381,673,890.37 is: 54,344,556,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,940,758,835.04 : 99,274,314,061.11 = 39,381,673,890.37 : x
  2. Step 2: Convert to fraction form
    71,940,758,835.04/99,274,314,061.11 = 39,381,673,890.37/x
  3. Step 3: Cross multiply
    71,940,758,835.04x = 99,274,314,061.11 × 39,381,673,890.37
  4. Step 4: Simplify right side
    71,940,758,835.04x = 3,909,588,662,044,807,135,232
  5. Step 5: Solve for x
    x = 3,909,588,662,044,807,135,232/71,940,758,835.04
  6. Step 6: Final answer
    x = 54,344,556,901.46

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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.