Home / 416,894,486-625,341,748.44-285,607,301.36

Finding the Fourth Proportional to 416,894,486, 625,341,748.44 and 285,607,301.36

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Solution

The fourth proportional to 416,894,486, 625,341,748.44 and 285,607,301.36 is: 428,410,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,894,486 : 625,341,748.44 = 285,607,301.36 : x
  2. Step 2: Convert to fraction form
    416,894,486/625,341,748.44 = 285,607,301.36/x
  3. Step 3: Cross multiply
    416,894,486x = 625,341,748.44 × 285,607,301.36
  4. Step 4: Simplify right side
    416,894,486x = 178,602,169,199,692,416
  5. Step 5: Solve for x
    x = 178,602,169,199,692,416/416,894,486
  6. Step 6: Final answer
    x = 428,410,965.36

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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.