Home / 633,142,379.24-873,735,820.68-354,685,862.87

Finding the Fourth Proportional to 633,142,379.24, 873,735,820.68 and 354,685,862.87

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Solution

The fourth proportional to 633,142,379.24, 873,735,820.68 and 354,685,862.87 is: 489,466,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,142,379.24 : 873,735,820.68 = 354,685,862.87 : x
  2. Step 2: Convert to fraction form
    633,142,379.24/873,735,820.68 = 354,685,862.87/x
  3. Step 3: Cross multiply
    633,142,379.24x = 873,735,820.68 × 354,685,862.87
  4. Step 4: Simplify right side
    633,142,379.24x = 309,901,743,473,944,704
  5. Step 5: Solve for x
    x = 309,901,743,473,944,704/633,142,379.24
  6. Step 6: Final answer
    x = 489,466,119.53

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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.