Home / 419,977,533.10-629,966,299.65-393,103,677.10

Finding the Fourth Proportional to 419,977,533.10, 629,966,299.65 and 393,103,677.10

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Solution

The fourth proportional to 419,977,533.10, 629,966,299.65 and 393,103,677.10 is: 589,655,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,977,533.10 : 629,966,299.65 = 393,103,677.10 : x
  2. Step 2: Convert to fraction form
    419,977,533.10/629,966,299.65 = 393,103,677.10/x
  3. Step 3: Cross multiply
    419,977,533.10x = 629,966,299.65 × 393,103,677.10
  4. Step 4: Simplify right side
    419,977,533.10x = 247,642,068,841,495,456
  5. Step 5: Solve for x
    x = 247,642,068,841,495,456/419,977,533.10
  6. Step 6: Final answer
    x = 589,655,515.65

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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.