Home / 406,974,287.40-610,461,431.10-252,006,091.80

Finding the Fourth Proportional to 406,974,287.40, 610,461,431.10 and 252,006,091.80

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Solution

The fourth proportional to 406,974,287.40, 610,461,431.10 and 252,006,091.80 is: 378,009,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,974,287.40 : 610,461,431.10 = 252,006,091.80 : x
  2. Step 2: Convert to fraction form
    406,974,287.40/610,461,431.10 = 252,006,091.80/x
  3. Step 3: Cross multiply
    406,974,287.40x = 610,461,431.10 × 252,006,091.80
  4. Step 4: Simplify right side
    406,974,287.40x = 153,839,999,446,145,984
  5. Step 5: Solve for x
    x = 153,839,999,446,145,984/406,974,287.40
  6. Step 6: Final answer
    x = 378,009,137.70

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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.