Home / 999,962,348.53-1,379,929,577.94-553,915,924.85

Finding the Fourth Proportional to 999,962,348.53, 1,379,929,577.94 and 553,915,924.85

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Solution

The fourth proportional to 999,962,348.53, 1,379,929,577.94 and 553,915,924.85 is: 764,393,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,962,348.53 : 1,379,929,577.94 = 553,915,924.85 : x
  2. Step 2: Convert to fraction form
    999,962,348.53/1,379,929,577.94 = 553,915,924.85/x
  3. Step 3: Cross multiply
    999,962,348.53x = 1,379,929,577.94 × 553,915,924.85
  4. Step 4: Simplify right side
    999,962,348.53x = 764,364,968,386,932,864
  5. Step 5: Solve for x
    x = 764,364,968,386,932,864/999,962,348.53
  6. Step 6: Final answer
    x = 764,393,748.94

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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.