Home / 1,443,594,212.52-1,992,106,669.14-783,530,318.76

Finding the Fourth Proportional to 1,443,594,212.52, 1,992,106,669.14 and 783,530,318.76

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Solution

The fourth proportional to 1,443,594,212.52, 1,992,106,669.14 and 783,530,318.76 is: 1,081,242,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,594,212.52 : 1,992,106,669.14 = 783,530,318.76 : x
  2. Step 2: Convert to fraction form
    1,443,594,212.52/1,992,106,669.14 = 783,530,318.76/x
  3. Step 3: Cross multiply
    1,443,594,212.52x = 1,992,106,669.14 × 783,530,318.76
  4. Step 4: Simplify right side
    1,443,594,212.52x = 1,560,875,973,475,186,176
  5. Step 5: Solve for x
    x = 1,560,875,973,475,186,176/1,443,594,212.52
  6. Step 6: Final answer
    x = 1,081,242,886.64

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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.