Home / 20,545,228,141,545-28,352,526,921,500-12,098,387,035,188

Finding the Fourth Proportional to 20,545,228,141,545, 28,352,526,921,500 and 12,098,387,035,188

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Solution

The fourth proportional to 20,545,228,141,545, 28,352,526,921,500 and 12,098,387,035,188 is: 16,695,840,112,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545,228,141,545 : 28,352,526,921,500 = 12,098,387,035,188 : x
  2. Step 2: Convert to fraction form
    20,545,228,141,545/28,352,526,921,500 = 12,098,387,035,188/x
  3. Step 3: Cross multiply
    20,545,228,141,545x = 28,352,526,921,500 × 12,098,387,035,188
  4. Step 4: Simplify right side
    20,545,228,141,545x = 343,019,844,121,894,341,100,699,648
  5. Step 5: Solve for x
    x = 343,019,844,121,894,341,100,699,648/20,545,228,141,545
  6. Step 6: Final answer
    x = 16,695,840,112,296.72

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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.