Home / 556,572,031.05-834,858,046.58-193,103,128.65

Finding the Fourth Proportional to 556,572,031.05, 834,858,046.58 and 193,103,128.65

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Solution

The fourth proportional to 556,572,031.05, 834,858,046.58 and 193,103,128.65 is: 289,654,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,572,031.05 : 834,858,046.58 = 193,103,128.65 : x
  2. Step 2: Convert to fraction form
    556,572,031.05/834,858,046.58 = 193,103,128.65/x
  3. Step 3: Cross multiply
    556,572,031.05x = 834,858,046.58 × 193,103,128.65
  4. Step 4: Simplify right side
    556,572,031.05x = 161,213,700,772,259,936
  5. Step 5: Solve for x
    x = 161,213,700,772,259,936/556,572,031.05
  6. Step 6: Final answer
    x = 289,654,692.98

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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.