Home / 953,862,920.40-1,430,794,380.60-800,807,912.40

Finding the Fourth Proportional to 953,862,920.40, 1,430,794,380.60 and 800,807,912.40

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Solution

The fourth proportional to 953,862,920.40, 1,430,794,380.60 and 800,807,912.40 is: 1,201,211,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,862,920.40 : 1,430,794,380.60 = 800,807,912.40 : x
  2. Step 2: Convert to fraction form
    953,862,920.40/1,430,794,380.60 = 800,807,912.40/x
  3. Step 3: Cross multiply
    953,862,920.40x = 1,430,794,380.60 × 800,807,912.40
  4. Step 4: Simplify right side
    953,862,920.40x = 1,145,791,461,001,936,896
  5. Step 5: Solve for x
    x = 1,145,791,461,001,936,896/953,862,920.40
  6. Step 6: Final answer
    x = 1,201,211,868.60

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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.