Home / 19,336,691,439.40-29,005,030,332.30-5,171,289,029.75

Finding the Fourth Proportional to 19,336,691,439.40, 29,005,030,332.30 and 5,171,289,029.75

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Solution

The fourth proportional to 19,336,691,439.40, 29,005,030,332.30 and 5,171,289,029.75 is: 7,756,931,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336,691,439.40 : 29,005,030,332.30 = 5,171,289,029.75 : x
  2. Step 2: Convert to fraction form
    19,336,691,439.40/29,005,030,332.30 = 5,171,289,029.75/x
  3. Step 3: Cross multiply
    19,336,691,439.40x = 29,005,030,332.30 × 5,171,289,029.75
  4. Step 4: Simplify right side
    19,336,691,439.40x = 149,993,395,164,988,997,632
  5. Step 5: Solve for x
    x = 149,993,395,164,988,997,632/19,336,691,439.40
  6. Step 6: Final answer
    x = 7,756,931,718.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.