Home / 724,042,847.70-1,086,064,271.55-433,805,202.90

Finding the Fourth Proportional to 724,042,847.70, 1,086,064,271.55 and 433,805,202.90

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Solution

The fourth proportional to 724,042,847.70, 1,086,064,271.55 and 433,805,202.90 is: 650,707,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,042,847.70 : 1,086,064,271.55 = 433,805,202.90 : x
  2. Step 2: Convert to fraction form
    724,042,847.70/1,086,064,271.55 = 433,805,202.90/x
  3. Step 3: Cross multiply
    724,042,847.70x = 1,086,064,271.55 × 433,805,202.90
  4. Step 4: Simplify right side
    724,042,847.70x = 471,140,331,682,188,416
  5. Step 5: Solve for x
    x = 471,140,331,682,188,416/724,042,847.70
  6. Step 6: Final answer
    x = 650,707,804.35

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Double scale
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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.