Home / 5,186,662,955.10-7,157,597,188.90-2,807,800,815.50

Finding the Fourth Proportional to 5,186,662,955.10, 7,157,597,188.90 and 2,807,800,815.50

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Solution

The fourth proportional to 5,186,662,955.10, 7,157,597,188.90 and 2,807,800,815.50 is: 3,874,766,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,662,955.10 : 7,157,597,188.90 = 2,807,800,815.50 : x
  2. Step 2: Convert to fraction form
    5,186,662,955.10/7,157,597,188.90 = 2,807,800,815.50/x
  3. Step 3: Cross multiply
    5,186,662,955.10x = 7,157,597,188.90 × 2,807,800,815.50
  4. Step 4: Simplify right side
    5,186,662,955.10x = 20,097,107,224,013,926,400
  5. Step 5: Solve for x
    x = 20,097,107,224,013,926,400/5,186,662,955.10
  6. Step 6: Final answer
    x = 3,874,766,376.38

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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.