Home / 907,992,912.83-1,361,989,369.24-493,668,223.20

Finding the Fourth Proportional to 907,992,912.83, 1,361,989,369.24 and 493,668,223.20

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Solution

The fourth proportional to 907,992,912.83, 1,361,989,369.24 and 493,668,223.20 is: 740,502,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,992,912.83 : 1,361,989,369.24 = 493,668,223.20 : x
  2. Step 2: Convert to fraction form
    907,992,912.83/1,361,989,369.24 = 493,668,223.20/x
  3. Step 3: Cross multiply
    907,992,912.83x = 1,361,989,369.24 × 493,668,223.20
  4. Step 4: Simplify right side
    907,992,912.83x = 672,370,871,928,765,312
  5. Step 5: Solve for x
    x = 672,370,871,928,765,312/907,992,912.83
  6. Step 6: Final answer
    x = 740,502,334.80

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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.