Home / 919,480,403.42-1,269,605,939.75-740,295,103.22

Finding the Fourth Proportional to 919,480,403.42, 1,269,605,939.75 and 740,295,103.22

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Solution

The fourth proportional to 919,480,403.42, 1,269,605,939.75 and 740,295,103.22 is: 1,022,189,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,480,403.42 : 1,269,605,939.75 = 740,295,103.22 : x
  2. Step 2: Convert to fraction form
    919,480,403.42/1,269,605,939.75 = 740,295,103.22/x
  3. Step 3: Cross multiply
    919,480,403.42x = 1,269,605,939.75 × 740,295,103.22
  4. Step 4: Simplify right side
    919,480,403.42x = 939,883,060,217,621,632
  5. Step 5: Solve for x
    x = 939,883,060,217,621,632/919,480,403.42
  6. Step 6: Final answer
    x = 1,022,189,332.94

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1.5x scale

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.