Home / 931,436,312.40-1,397,154,468.60-792,942,787.80

Finding the Fourth Proportional to 931,436,312.40, 1,397,154,468.60 and 792,942,787.80

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Solution

The fourth proportional to 931,436,312.40, 1,397,154,468.60 and 792,942,787.80 is: 1,189,414,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,436,312.40 : 1,397,154,468.60 = 792,942,787.80 : x
  2. Step 2: Convert to fraction form
    931,436,312.40/1,397,154,468.60 = 792,942,787.80/x
  3. Step 3: Cross multiply
    931,436,312.40x = 1,397,154,468.60 × 792,942,787.80
  4. Step 4: Simplify right side
    931,436,312.40x = 1,107,863,559,318,911,360
  5. Step 5: Solve for x
    x = 1,107,863,559,318,911,360/931,436,312.40
  6. Step 6: Final answer
    x = 1,189,414,181.70

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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.