Home / 807,821,961.48-1,114,746,262.86-468,704,166.12

Finding the Fourth Proportional to 807,821,961.48, 1,114,746,262.86 and 468,704,166.12

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Solution

The fourth proportional to 807,821,961.48, 1,114,746,262.86 and 468,704,166.12 is: 646,783,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,821,961.48 : 1,114,746,262.86 = 468,704,166.12 : x
  2. Step 2: Convert to fraction form
    807,821,961.48/1,114,746,262.86 = 468,704,166.12/x
  3. Step 3: Cross multiply
    807,821,961.48x = 1,114,746,262.86 × 468,704,166.12
  4. Step 4: Simplify right side
    807,821,961.48x = 522,486,217,569,182,592
  5. Step 5: Solve for x
    x = 522,486,217,569,182,592/807,821,961.48
  6. Step 6: Final answer
    x = 646,783,873.78

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1.5x scale

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.