Home / 804,816,006.80-1,207,224,010.20-287,263,331.60

Finding the Fourth Proportional to 804,816,006.80, 1,207,224,010.20 and 287,263,331.60

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Solution

The fourth proportional to 804,816,006.80, 1,207,224,010.20 and 287,263,331.60 is: 430,894,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,816,006.80 : 1,207,224,010.20 = 287,263,331.60 : x
  2. Step 2: Convert to fraction form
    804,816,006.80/1,207,224,010.20 = 287,263,331.60/x
  3. Step 3: Cross multiply
    804,816,006.80x = 1,207,224,010.20 × 287,263,331.60
  4. Step 4: Simplify right side
    804,816,006.80x = 346,791,191,157,564,416
  5. Step 5: Solve for x
    x = 346,791,191,157,564,416/804,816,006.80
  6. Step 6: Final answer
    x = 430,894,997.40

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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.