Home / 3,931,608,059.41-5,897,434,135.62-1,311,404,971.20

Finding the Fourth Proportional to 3,931,608,059.41, 5,897,434,135.62 and 1,311,404,971.20

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Solution

The fourth proportional to 3,931,608,059.41, 5,897,434,135.62 and 1,311,404,971.20 is: 1,967,114,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,608,059.41 : 5,897,434,135.62 = 1,311,404,971.20 : x
  2. Step 2: Convert to fraction form
    3,931,608,059.41/5,897,434,135.62 = 1,311,404,971.20/x
  3. Step 3: Cross multiply
    3,931,608,059.41x = 5,897,434,135.62 × 1,311,404,971.20
  4. Step 4: Simplify right side
    3,931,608,059.41x = 7,733,924,442,776,643,584
  5. Step 5: Solve for x
    x = 7,733,924,442,776,643,584/3,931,608,059.41
  6. Step 6: Final answer
    x = 1,967,114,810.51

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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.