Home / 621,158,862.80-931,738,294.20-477,831,630.80

Finding the Fourth Proportional to 621,158,862.80, 931,738,294.20 and 477,831,630.80

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Solution

The fourth proportional to 621,158,862.80, 931,738,294.20 and 477,831,630.80 is: 716,747,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,158,862.80 : 931,738,294.20 = 477,831,630.80 : x
  2. Step 2: Convert to fraction form
    621,158,862.80/931,738,294.20 = 477,831,630.80/x
  3. Step 3: Cross multiply
    621,158,862.80x = 931,738,294.20 × 477,831,630.80
  4. Step 4: Simplify right side
    621,158,862.80x = 445,214,028,596,396,224
  5. Step 5: Solve for x
    x = 445,214,028,596,396,224/621,158,862.80
  6. Step 6: Final answer
    x = 716,747,446.20

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1.5x scale

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.