Home / 808,535,049.75-1,115,781,730.47-437,257,081.13

Finding the Fourth Proportional to 808,535,049.75, 1,115,781,730.47 and 437,257,081.13

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Solution

The fourth proportional to 808,535,049.75, 1,115,781,730.47 and 437,257,081.13 is: 603,416,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,535,049.75 : 1,115,781,730.47 = 437,257,081.13 : x
  2. Step 2: Convert to fraction form
    808,535,049.75/1,115,781,730.47 = 437,257,081.13/x
  3. Step 3: Cross multiply
    808,535,049.75x = 1,115,781,730.47 × 437,257,081.13
  4. Step 4: Simplify right side
    808,535,049.75x = 487,883,462,637,913,664
  5. Step 5: Solve for x
    x = 487,883,462,637,913,664/808,535,049.75
  6. Step 6: Final answer
    x = 603,416,590.03

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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.