Home / 556,572,028.80-834,858,043.20-193,103,126.40

Finding the Fourth Proportional to 556,572,028.80, 834,858,043.20 and 193,103,126.40

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Solution

The fourth proportional to 556,572,028.80, 834,858,043.20 and 193,103,126.40 is: 289,654,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,572,028.80 : 834,858,043.20 = 193,103,126.40 : x
  2. Step 2: Convert to fraction form
    556,572,028.80/834,858,043.20 = 193,103,126.40/x
  3. Step 3: Cross multiply
    556,572,028.80x = 834,858,043.20 × 193,103,126.40
  4. Step 4: Simplify right side
    556,572,028.80x = 161,213,698,242,106,272
  5. Step 5: Solve for x
    x = 161,213,698,242,106,272/556,572,028.80
  6. Step 6: Final answer
    x = 289,654,689.60

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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.