Home / 839,296,436.04-1,158,230,197.44-462,944,583.72

Finding the Fourth Proportional to 839,296,436.04, 1,158,230,197.44 and 462,944,583.72

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Solution

The fourth proportional to 839,296,436.04, 1,158,230,197.44 and 462,944,583.72 is: 638,864,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,296,436.04 : 1,158,230,197.44 = 462,944,583.72 : x
  2. Step 2: Convert to fraction form
    839,296,436.04/1,158,230,197.44 = 462,944,583.72/x
  3. Step 3: Cross multiply
    839,296,436.04x = 1,158,230,197.44 × 462,944,583.72
  4. Step 4: Simplify right side
    839,296,436.04x = 536,196,396,605,794,240
  5. Step 5: Solve for x
    x = 536,196,396,605,794,240/839,296,436.04
  6. Step 6: Final answer
    x = 638,864,140.94

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Double scale
Find fourth proportional to 839,296,437.04, 1,158,230,198.82 and 462,944,584.72
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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.