Home / 768,734,129.18-1,060,847,815.86-416,302,054.89

Finding the Fourth Proportional to 768,734,129.18, 1,060,847,815.86 and 416,302,054.89

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Solution

The fourth proportional to 768,734,129.18, 1,060,847,815.86 and 416,302,054.89 is: 574,493,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,734,129.18 : 1,060,847,815.86 = 416,302,054.89 : x
  2. Step 2: Convert to fraction form
    768,734,129.18/1,060,847,815.86 = 416,302,054.89/x
  3. Step 3: Cross multiply
    768,734,129.18x = 1,060,847,815.86 × 416,302,054.89
  4. Step 4: Simplify right side
    768,734,129.18x = 441,633,125,668,086,336
  5. Step 5: Solve for x
    x = 441,633,125,668,086,336/768,734,129.18
  6. Step 6: Final answer
    x = 574,493,975.10

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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.