Home / 1,334,115,315.87-1,840,005,626.56-1,172,834,456.98

Finding the Fourth Proportional to 1,334,115,315.87, 1,840,005,626.56 and 1,172,834,456.98

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Solution

The fourth proportional to 1,334,115,315.87, 1,840,005,626.56 and 1,172,834,456.98 is: 1,617,567,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,115,315.87 : 1,840,005,626.56 = 1,172,834,456.98 : x
  2. Step 2: Convert to fraction form
    1,334,115,315.87/1,840,005,626.56 = 1,172,834,456.98/x
  3. Step 3: Cross multiply
    1,334,115,315.87x = 1,840,005,626.56 × 1,172,834,456.98
  4. Step 4: Simplify right side
    1,334,115,315.87x = 2,158,021,999,860,778,240
  5. Step 5: Solve for x
    x = 2,158,021,999,860,778,240/1,334,115,315.87
  6. Step 6: Final answer
    x = 1,617,567,817.56

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Double scale
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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.