Home / 251,922,279.60-377,883,419.40-208,875,558.60

Finding the Fourth Proportional to 251,922,279.60, 377,883,419.40 and 208,875,558.60

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Solution

The fourth proportional to 251,922,279.60, 377,883,419.40 and 208,875,558.60 is: 313,313,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,922,279.60 : 377,883,419.40 = 208,875,558.60 : x
  2. Step 2: Convert to fraction form
    251,922,279.60/377,883,419.40 = 208,875,558.60/x
  3. Step 3: Cross multiply
    251,922,279.60x = 377,883,419.40 × 208,875,558.60
  4. Step 4: Simplify right side
    251,922,279.60x = 78,930,610,312,853,072
  5. Step 5: Solve for x
    x = 78,930,610,312,853,072/251,922,279.60
  6. Step 6: Final answer
    x = 313,313,337.90

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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.