Home / 885,284,492.80-1,328,158,982.40-340,043,814.40

Finding the Fourth Proportional to 885,284,492.80, 1,328,158,982.40 and 340,043,814.40

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Solution

The fourth proportional to 885,284,492.80, 1,328,158,982.40 and 340,043,814.40 is: 510,154,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,284,492.80 : 1,328,158,982.40 = 340,043,814.40 : x
  2. Step 2: Convert to fraction form
    885,284,492.80/1,328,158,982.40 = 340,043,814.40/x
  3. Step 3: Cross multiply
    885,284,492.80x = 1,328,158,982.40 × 340,043,814.40
  4. Step 4: Simplify right side
    885,284,492.80x = 451,632,246,504,918,464
  5. Step 5: Solve for x
    x = 451,632,246,504,918,464/885,284,492.80
  6. Step 6: Final answer
    x = 510,154,927.80

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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.