Home / 516,662,570.85-774,778,372.59-162,045,488.62

Finding the Fourth Proportional to 516,662,570.85, 774,778,372.59 and 162,045,488.62

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Solution

The fourth proportional to 516,662,570.85, 774,778,372.59 and 162,045,488.62 is: 243,000,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,662,570.85 : 774,778,372.59 = 162,045,488.62 : x
  2. Step 2: Convert to fraction form
    516,662,570.85/774,778,372.59 = 162,045,488.62/x
  3. Step 3: Cross multiply
    516,662,570.85x = 774,778,372.59 × 162,045,488.62
  4. Step 4: Simplify right side
    516,662,570.85x = 125,549,339,957,744,752
  5. Step 5: Solve for x
    x = 125,549,339,957,744,752/516,662,570.85
  6. Step 6: Final answer
    x = 243,000,648.86

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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.