Home / 493,675,475.90-681,268,381.98-270,654,488.78

Finding the Fourth Proportional to 493,675,475.90, 681,268,381.98 and 270,654,488.78

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Solution

The fourth proportional to 493,675,475.90, 681,268,381.98 and 270,654,488.78 is: 373,501,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,675,475.90 : 681,268,381.98 = 270,654,488.78 : x
  2. Step 2: Convert to fraction form
    493,675,475.90/681,268,381.98 = 270,654,488.78/x
  3. Step 3: Cross multiply
    493,675,475.90x = 681,268,381.98 × 270,654,488.78
  4. Step 4: Simplify right side
    493,675,475.90x = 184,388,345,646,774,656
  5. Step 5: Solve for x
    x = 184,388,345,646,774,656/493,675,475.90
  6. Step 6: Final answer
    x = 373,501,125.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.