Home / 426,816,533.16-588,826,454.94-285,733,205.28

Finding the Fourth Proportional to 426,816,533.16, 588,826,454.94 and 285,733,205.28

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Solution

The fourth proportional to 426,816,533.16, 588,826,454.94 and 285,733,205.28 is: 394,191,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,816,533.16 : 588,826,454.94 = 285,733,205.28 : x
  2. Step 2: Convert to fraction form
    426,816,533.16/588,826,454.94 = 285,733,205.28/x
  3. Step 3: Cross multiply
    426,816,533.16x = 588,826,454.94 × 285,733,205.28
  4. Step 4: Simplify right side
    426,816,533.16x = 168,247,270,323,665,696
  5. Step 5: Solve for x
    x = 168,247,270,323,665,696/426,816,533.16
  6. Step 6: Final answer
    x = 394,191,080.36

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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.