Home / 1,267,731,602.70-1,901,597,404.05-347,606,465.10

Finding the Fourth Proportional to 1,267,731,602.70, 1,901,597,404.05 and 347,606,465.10

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Solution

The fourth proportional to 1,267,731,602.70, 1,901,597,404.05 and 347,606,465.10 is: 521,409,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,731,602.70 : 1,901,597,404.05 = 347,606,465.10 : x
  2. Step 2: Convert to fraction form
    1,267,731,602.70/1,901,597,404.05 = 347,606,465.10/x
  3. Step 3: Cross multiply
    1,267,731,602.70x = 1,901,597,404.05 × 347,606,465.10
  4. Step 4: Simplify right side
    1,267,731,602.70x = 661,007,551,665,156,992
  5. Step 5: Solve for x
    x = 661,007,551,665,156,992/1,267,731,602.70
  6. Step 6: Final answer
    x = 521,409,697.65

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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.