Home / 1,120,446,145.16-1,673,404,907.68-1,015,191,192.60

Finding the Fourth Proportional to 1,120,446,145.16, 1,673,404,907.68 and 1,015,191,192.60

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Solution

The fourth proportional to 1,120,446,145.16, 1,673,404,907.68 and 1,015,191,192.60 is: 1,516,204,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,446,145.16 : 1,673,404,907.68 = 1,015,191,192.60 : x
  2. Step 2: Convert to fraction form
    1,120,446,145.16/1,673,404,907.68 = 1,015,191,192.60/x
  3. Step 3: Cross multiply
    1,120,446,145.16x = 1,673,404,907.68 × 1,015,191,192.60
  4. Step 4: Simplify right side
    1,120,446,145.16x = 1,698,825,923,931,570,432
  5. Step 5: Solve for x
    x = 1,698,825,923,931,570,432/1,120,446,145.16
  6. Step 6: Final answer
    x = 1,516,204,889.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.