Home / 909,327,650.87-1,363,985,752.71-489,346,853.04

Finding the Fourth Proportional to 909,327,650.87, 1,363,985,752.71 and 489,346,853.04

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Solution

The fourth proportional to 909,327,650.87, 1,363,985,752.71 and 489,346,853.04 is: 734,017,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,327,650.87 : 1,363,985,752.71 = 489,346,853.04 : x
  2. Step 2: Convert to fraction form
    909,327,650.87/1,363,985,752.71 = 489,346,853.04/x
  3. Step 3: Cross multiply
    909,327,650.87x = 1,363,985,752.71 × 489,346,853.04
  4. Step 4: Simplify right side
    909,327,650.87x = 667,462,135,680,034,176
  5. Step 5: Solve for x
    x = 667,462,135,680,034,176/909,327,650.87
  6. Step 6: Final answer
    x = 734,017,199.46

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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.