Home / 667,784,361.48-1,001,676,573.38-457,487,677.30

Finding the Fourth Proportional to 667,784,361.48, 1,001,676,573.38 and 457,487,677.30

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Solution

The fourth proportional to 667,784,361.48, 1,001,676,573.38 and 457,487,677.30 is: 686,231,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,784,361.48 : 1,001,676,573.38 = 457,487,677.30 : x
  2. Step 2: Convert to fraction form
    667,784,361.48/1,001,676,573.38 = 457,487,677.30/x
  3. Step 3: Cross multiply
    667,784,361.48x = 1,001,676,573.38 × 457,487,677.30
  4. Step 4: Simplify right side
    667,784,361.48x = 458,254,688,961,439,232
  5. Step 5: Solve for x
    x = 458,254,688,961,439,232/667,784,361.48
  6. Step 6: Final answer
    x = 686,231,537.30

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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.