Home / 1,294,708,679.40-1,942,063,019.10-881,460,157.80

Finding the Fourth Proportional to 1,294,708,679.40, 1,942,063,019.10 and 881,460,157.80

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Solution

The fourth proportional to 1,294,708,679.40, 1,942,063,019.10 and 881,460,157.80 is: 1,322,190,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,708,679.40 : 1,942,063,019.10 = 881,460,157.80 : x
  2. Step 2: Convert to fraction form
    1,294,708,679.40/1,942,063,019.10 = 881,460,157.80/x
  3. Step 3: Cross multiply
    1,294,708,679.40x = 1,942,063,019.10 × 881,460,157.80
  4. Step 4: Simplify right side
    1,294,708,679.40x = 1,711,851,175,273,430,272
  5. Step 5: Solve for x
    x = 1,711,851,175,273,430,272/1,294,708,679.40
  6. Step 6: Final answer
    x = 1,322,190,236.70

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Double scale
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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.