Home / 13,815,439,366.64-19,065,306,178.40-7,471,807,199.60

Finding the Fourth Proportional to 13,815,439,366.64, 19,065,306,178.40 and 7,471,807,199.60

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Solution

The fourth proportional to 13,815,439,366.64, 19,065,306,178.40 and 7,471,807,199.60 is: 10,311,093,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,439,366.64 : 19,065,306,178.40 = 7,471,807,199.60 : x
  2. Step 2: Convert to fraction form
    13,815,439,366.64/19,065,306,178.40 = 7,471,807,199.60/x
  3. Step 3: Cross multiply
    13,815,439,366.64x = 19,065,306,178.40 × 7,471,807,199.60
  4. Step 4: Simplify right side
    13,815,439,366.64x = 142,452,291,966,214,799,360
  5. Step 5: Solve for x
    x = 142,452,291,966,214,799,360/13,815,439,366.64
  6. Step 6: Final answer
    x = 10,311,093,855.64

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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.