Home / 1,039,139,369.40-1,432,863,157.50-662,198,838.60

Finding the Fourth Proportional to 1,039,139,369.40, 1,432,863,157.50 and 662,198,838.60

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Solution

The fourth proportional to 1,039,139,369.40, 1,432,863,157.50 and 662,198,838.60 is: 913,102,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,139,369.40 : 1,432,863,157.50 = 662,198,838.60 : x
  2. Step 2: Convert to fraction form
    1,039,139,369.40/1,432,863,157.50 = 662,198,838.60/x
  3. Step 3: Cross multiply
    1,039,139,369.40x = 1,432,863,157.50 × 662,198,838.60
  4. Step 4: Simplify right side
    1,039,139,369.40x = 948,840,318,769,228,928
  5. Step 5: Solve for x
    x = 948,840,318,769,228,928/1,039,139,369.40
  6. Step 6: Final answer
    x = 913,102,079.19

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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.