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Finding the Fourth Proportional to 824,489,214.80, 1,236,733,822.20 and 695,349,051.80

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Solution

The fourth proportional to 824,489,214.80, 1,236,733,822.20 and 695,349,051.80 is: 1,043,023,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,489,214.80 : 1,236,733,822.20 = 695,349,051.80 : x
  2. Step 2: Convert to fraction form
    824,489,214.80/1,236,733,822.20 = 695,349,051.80/x
  3. Step 3: Cross multiply
    824,489,214.80x = 1,236,733,822.20 × 695,349,051.80
  4. Step 4: Simplify right side
    824,489,214.80x = 859,961,690,595,759,744
  5. Step 5: Solve for x
    x = 859,961,690,595,759,744/824,489,214.80
  6. Step 6: Final answer
    x = 1,043,023,577.70

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Double scale
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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.