Home / 262,656,038.40-393,984,057.60-176,659,699.20

Finding the Fourth Proportional to 262,656,038.40, 393,984,057.60 and 176,659,699.20

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Solution

The fourth proportional to 262,656,038.40, 393,984,057.60 and 176,659,699.20 is: 264,989,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,656,038.40 : 393,984,057.60 = 176,659,699.20 : x
  2. Step 2: Convert to fraction form
    262,656,038.40/393,984,057.60 = 176,659,699.20/x
  3. Step 3: Cross multiply
    262,656,038.40x = 393,984,057.60 × 176,659,699.20
  4. Step 4: Simplify right side
    262,656,038.40x = 69,601,105,105,211,472
  5. Step 5: Solve for x
    x = 69,601,105,105,211,472/262,656,038.40
  6. Step 6: Final answer
    x = 264,989,548.80

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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.