Home / 264,688,090.40-397,032,135.60-191,561,808.80

Finding the Fourth Proportional to 264,688,090.40, 397,032,135.60 and 191,561,808.80

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Solution

The fourth proportional to 264,688,090.40, 397,032,135.60 and 191,561,808.80 is: 287,342,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,688,090.40 : 397,032,135.60 = 191,561,808.80 : x
  2. Step 2: Convert to fraction form
    264,688,090.40/397,032,135.60 = 191,561,808.80/x
  3. Step 3: Cross multiply
    264,688,090.40x = 397,032,135.60 × 191,561,808.80
  4. Step 4: Simplify right side
    264,688,090.40x = 76,056,194,047,262,880
  5. Step 5: Solve for x
    x = 76,056,194,047,262,880/264,688,090.40
  6. Step 6: Final answer
    x = 287,342,713.20

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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.