Home / 231,079,301,125.93-318,756,946,792.92-144,120,900,355.48

Finding the Fourth Proportional to 231,079,301,125.93, 318,756,946,792.92 and 144,120,900,355.48

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Solution

The fourth proportional to 231,079,301,125.93, 318,756,946,792.92 and 144,120,900,355.48 is: 198,804,211,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,079,301,125.93 : 318,756,946,792.92 = 144,120,900,355.48 : x
  2. Step 2: Convert to fraction form
    231,079,301,125.93/318,756,946,792.92 = 144,120,900,355.48/x
  3. Step 3: Cross multiply
    231,079,301,125.93x = 318,756,946,792.92 × 144,120,900,355.48
  4. Step 4: Simplify right side
    231,079,301,125.93x = 45,939,538,166,359,466,704,896
  5. Step 5: Solve for x
    x = 45,939,538,166,359,466,704,896/231,079,301,125.93
  6. Step 6: Final answer
    x = 198,804,211,119.39

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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.