Home / 804,816,205.80-1,207,224,308.70-287,263,530.60

Finding the Fourth Proportional to 804,816,205.80, 1,207,224,308.70 and 287,263,530.60

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Solution

The fourth proportional to 804,816,205.80, 1,207,224,308.70 and 287,263,530.60 is: 430,895,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,816,205.80 : 1,207,224,308.70 = 287,263,530.60 : x
  2. Step 2: Convert to fraction form
    804,816,205.80/1,207,224,308.70 = 287,263,530.60/x
  3. Step 3: Cross multiply
    804,816,205.80x = 1,207,224,308.70 × 287,263,530.60
  4. Step 4: Simplify right side
    804,816,205.80x = 346,791,517,143,306,368
  5. Step 5: Solve for x
    x = 346,791,517,143,306,368/804,816,205.80
  6. Step 6: Final answer
    x = 430,895,295.90

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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.