Home / 808,535,113.56-1,115,781,818.40-437,257,144.80

Finding the Fourth Proportional to 808,535,113.56, 1,115,781,818.40 and 437,257,144.80

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Solution

The fourth proportional to 808,535,113.56, 1,115,781,818.40 and 437,257,144.80 is: 603,416,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,535,113.56 : 1,115,781,818.40 = 437,257,144.80 : x
  2. Step 2: Convert to fraction form
    808,535,113.56/1,115,781,818.40 = 437,257,144.80/x
  3. Step 3: Cross multiply
    808,535,113.56x = 1,115,781,818.40 × 437,257,144.80
  4. Step 4: Simplify right side
    808,535,113.56x = 487,883,572,133,336,128
  5. Step 5: Solve for x
    x = 487,883,572,133,336,128/808,535,113.56
  6. Step 6: Final answer
    x = 603,416,677.83

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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.