Home / 493,148,944.86-680,550,545.43-297,540,865.50

Finding the Fourth Proportional to 493,148,944.86, 680,550,545.43 and 297,540,865.50

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Solution

The fourth proportional to 493,148,944.86, 680,550,545.43 and 297,540,865.50 is: 410,609,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,148,944.86 : 680,550,545.43 = 297,540,865.50 : x
  2. Step 2: Convert to fraction form
    493,148,944.86/680,550,545.43 = 297,540,865.50/x
  3. Step 3: Cross multiply
    493,148,944.86x = 680,550,545.43 × 297,540,865.50
  4. Step 4: Simplify right side
    493,148,944.86x = 202,491,598,303,739,264
  5. Step 5: Solve for x
    x = 202,491,598,303,739,264/493,148,944.86
  6. Step 6: Final answer
    x = 410,609,412.05

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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.