Home / 808,535,114.06-1,115,781,819.09-437,257,145.30

Finding the Fourth Proportional to 808,535,114.06, 1,115,781,819.09 and 437,257,145.30

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Solution

The fourth proportional to 808,535,114.06, 1,115,781,819.09 and 437,257,145.30 is: 603,416,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,535,114.06 : 1,115,781,819.09 = 437,257,145.30 : x
  2. Step 2: Convert to fraction form
    808,535,114.06/1,115,781,819.09 = 437,257,145.30/x
  3. Step 3: Cross multiply
    808,535,114.06x = 1,115,781,819.09 × 437,257,145.30
  4. Step 4: Simplify right side
    808,535,114.06x = 487,883,572,992,934,400
  5. Step 5: Solve for x
    x = 487,883,572,992,934,400/808,535,114.06
  6. Step 6: Final answer
    x = 603,416,678.52

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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.