Home / 406,974,328.40-610,461,492.60-252,006,132.80

Finding the Fourth Proportional to 406,974,328.40, 610,461,492.60 and 252,006,132.80

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Solution

The fourth proportional to 406,974,328.40, 610,461,492.60 and 252,006,132.80 is: 378,009,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,974,328.40 : 610,461,492.60 = 252,006,132.80 : x
  2. Step 2: Convert to fraction form
    406,974,328.40/610,461,492.60 = 252,006,132.80/x
  3. Step 3: Cross multiply
    406,974,328.40x = 610,461,492.60 × 252,006,132.80
  4. Step 4: Simplify right side
    406,974,328.40x = 153,840,039,973,441,824
  5. Step 5: Solve for x
    x = 153,840,039,973,441,824/406,974,328.40
  6. Step 6: Final answer
    x = 378,009,199.20

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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.