Home / 719,873,211.60-1,079,809,817.40-474,985,198.80

Finding the Fourth Proportional to 719,873,211.60, 1,079,809,817.40 and 474,985,198.80

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Solution

The fourth proportional to 719,873,211.60, 1,079,809,817.40 and 474,985,198.80 is: 712,477,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,873,211.60 : 1,079,809,817.40 = 474,985,198.80 : x
  2. Step 2: Convert to fraction form
    719,873,211.60/1,079,809,817.40 = 474,985,198.80/x
  3. Step 3: Cross multiply
    719,873,211.60x = 1,079,809,817.40 × 474,985,198.80
  4. Step 4: Simplify right side
    719,873,211.60x = 512,893,680,783,930,752
  5. Step 5: Solve for x
    x = 512,893,680,783,930,752/719,873,211.60
  6. Step 6: Final answer
    x = 712,477,798.20

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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.