Home / 2,077,815,431.19-2,867,388,060.90-1,125,197,812.86

Finding the Fourth Proportional to 2,077,815,431.19, 2,867,388,060.90 and 1,125,197,812.86

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Solution

The fourth proportional to 2,077,815,431.19, 2,867,388,060.90 and 1,125,197,812.86 is: 1,552,774,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,815,431.19 : 2,867,388,060.90 = 1,125,197,812.86 : x
  2. Step 2: Convert to fraction form
    2,077,815,431.19/2,867,388,060.90 = 1,125,197,812.86/x
  3. Step 3: Cross multiply
    2,077,815,431.19x = 2,867,388,060.90 × 1,125,197,812.86
  4. Step 4: Simplify right side
    2,077,815,431.19x = 3,226,378,774,738,823,680
  5. Step 5: Solve for x
    x = 3,226,378,774,738,823,680/2,077,815,431.19
  6. Step 6: Final answer
    x = 1,552,774,479.53

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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.