Home / 626,925,647.20-940,142,403.60-238,542,210.40

Finding the Fourth Proportional to 626,925,647.20, 940,142,403.60 and 238,542,210.40

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Solution

The fourth proportional to 626,925,647.20, 940,142,403.60 and 238,542,210.40 is: 357,719,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,925,647.20 : 940,142,403.60 = 238,542,210.40 : x
  2. Step 2: Convert to fraction form
    626,925,647.20/940,142,403.60 = 238,542,210.40/x
  3. Step 3: Cross multiply
    626,925,647.20x = 940,142,403.60 × 238,542,210.40
  4. Step 4: Simplify right side
    626,925,647.20x = 224,263,647,045,512,928
  5. Step 5: Solve for x
    x = 224,263,647,045,512,928/626,925,647.20
  6. Step 6: Final answer
    x = 357,719,688.21

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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.