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Finding the Fourth Proportional to 899,234,046.14, 1,240,255,900.59 and 773,995,986.86

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Solution

The fourth proportional to 899,234,046.14, 1,240,255,900.59 and 773,995,986.86 is: 1,067,523,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,234,046.14 : 1,240,255,900.59 = 773,995,986.86 : x
  2. Step 2: Convert to fraction form
    899,234,046.14/1,240,255,900.59 = 773,995,986.86/x
  3. Step 3: Cross multiply
    899,234,046.14x = 1,240,255,900.59 × 773,995,986.86
  4. Step 4: Simplify right side
    899,234,046.14x = 959,953,089,736,095,104
  5. Step 5: Solve for x
    x = 959,953,089,736,095,104/899,234,046.14
  6. Step 6: Final answer
    x = 1,067,523,070.17

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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.