Home / 406,944,297.80-610,416,446.70-391,071,926.60

Finding the Fourth Proportional to 406,944,297.80, 610,416,446.70 and 391,071,926.60

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Solution

The fourth proportional to 406,944,297.80, 610,416,446.70 and 391,071,926.60 is: 586,607,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,944,297.80 : 610,416,446.70 = 391,071,926.60 : x
  2. Step 2: Convert to fraction form
    406,944,297.80/610,416,446.70 = 391,071,926.60/x
  3. Step 3: Cross multiply
    406,944,297.80x = 610,416,446.70 × 391,071,926.60
  4. Step 4: Simplify right side
    406,944,297.80x = 238,716,735,839,295,232
  5. Step 5: Solve for x
    x = 238,716,735,839,295,232/406,944,297.80
  6. Step 6: Final answer
    x = 586,607,889.90

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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.