Home / 298,219,788,634.78-447,331,355,241.72-99,472,532,165.02

Finding the Fourth Proportional to 298,219,788,634.78, 447,331,355,241.72 and 99,472,532,165.02

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Solution

The fourth proportional to 298,219,788,634.78, 447,331,355,241.72 and 99,472,532,165.02 is: 149,209,356,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,219,788,634.78 : 447,331,355,241.72 = 99,472,532,165.02 : x
  2. Step 2: Convert to fraction form
    298,219,788,634.78/447,331,355,241.72 = 99,472,532,165.02/x
  3. Step 3: Cross multiply
    298,219,788,634.78x = 447,331,355,241.72 × 99,472,532,165.02
  4. Step 4: Simplify right side
    298,219,788,634.78x = 44,497,182,622,703,983,525,888
  5. Step 5: Solve for x
    x = 44,497,182,622,703,983,525,888/298,219,788,634.78
  6. Step 6: Final answer
    x = 149,209,356,047.12

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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.