Home / 1,443,594,191.52-1,992,106,640.16-783,530,297.76

Finding the Fourth Proportional to 1,443,594,191.52, 1,992,106,640.16 and 783,530,297.76

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Solution

The fourth proportional to 1,443,594,191.52, 1,992,106,640.16 and 783,530,297.76 is: 1,081,242,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,594,191.52 : 1,992,106,640.16 = 783,530,297.76 : x
  2. Step 2: Convert to fraction form
    1,443,594,191.52/1,992,106,640.16 = 783,530,297.76/x
  3. Step 3: Cross multiply
    1,443,594,191.52x = 1,992,106,640.16 × 783,530,297.76
  4. Step 4: Simplify right side
    1,443,594,191.52x = 1,560,875,908,934,237,952
  5. Step 5: Solve for x
    x = 1,560,875,908,934,237,952/1,443,594,191.52
  6. Step 6: Final answer
    x = 1,081,242,857.66

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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.