Home / 3,656,258,218.76-5,045,620,565.94-1,985,493,587.72

Finding the Fourth Proportional to 3,656,258,218.76, 5,045,620,565.94 and 1,985,493,587.72

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Solution

The fourth proportional to 3,656,258,218.76, 5,045,620,565.94 and 1,985,493,587.72 is: 2,739,972,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656,258,218.76 : 5,045,620,565.94 = 1,985,493,587.72 : x
  2. Step 2: Convert to fraction form
    3,656,258,218.76/5,045,620,565.94 = 1,985,493,587.72/x
  3. Step 3: Cross multiply
    3,656,258,218.76x = 5,045,620,565.94 × 1,985,493,587.72
  4. Step 4: Simplify right side
    3,656,258,218.76x = 10,018,047,279,742,025,728
  5. Step 5: Solve for x
    x = 10,018,047,279,742,025,728/3,656,258,218.76
  6. Step 6: Final answer
    x = 2,739,972,584.09

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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.