Home / 740,918,870.72-1,022,433,021.60-410,886,923.84

Finding the Fourth Proportional to 740,918,870.72, 1,022,433,021.60 and 410,886,923.84

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Solution

The fourth proportional to 740,918,870.72, 1,022,433,021.60 and 410,886,923.84 is: 567,004,534.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,918,870.72 : 1,022,433,021.60 = 410,886,923.84 : x
  2. Step 2: Convert to fraction form
    740,918,870.72/1,022,433,021.60 = 410,886,923.84/x
  3. Step 3: Cross multiply
    740,918,870.72x = 1,022,433,021.60 × 410,886,923.84
  4. Step 4: Simplify right side
    740,918,870.72x = 420,104,359,077,660,288
  5. Step 5: Solve for x
    x = 420,104,359,077,660,288/740,918,870.72
  6. Step 6: Final answer
    x = 567,004,534.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.