Home / 614,196,221.80-921,294,337.02-205,252,372.84

Finding the Fourth Proportional to 614,196,221.80, 921,294,337.02 and 205,252,372.84

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Solution

The fourth proportional to 614,196,221.80, 921,294,337.02 and 205,252,372.84 is: 307,878,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,196,221.80 : 921,294,337.02 = 205,252,372.84 : x
  2. Step 2: Convert to fraction form
    614,196,221.80/921,294,337.02 = 205,252,372.84/x
  3. Step 3: Cross multiply
    614,196,221.80x = 921,294,337.02 × 205,252,372.84
  4. Step 4: Simplify right side
    614,196,221.80x = 189,097,848,757,409,664
  5. Step 5: Solve for x
    x = 189,097,848,757,409,664/614,196,221.80
  6. Step 6: Final answer
    x = 307,878,560.70

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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.