Home / 7,818,836,701.80-11,728,255,052.70-4,145,516,509.80

Finding the Fourth Proportional to 7,818,836,701.80, 11,728,255,052.70 and 4,145,516,509.80

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Solution

The fourth proportional to 7,818,836,701.80, 11,728,255,052.70 and 4,145,516,509.80 is: 6,218,274,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818,836,701.80 : 11,728,255,052.70 = 4,145,516,509.80 : x
  2. Step 2: Convert to fraction form
    7,818,836,701.80/11,728,255,052.70 = 4,145,516,509.80/x
  3. Step 3: Cross multiply
    7,818,836,701.80x = 11,728,255,052.70 × 4,145,516,509.80
  4. Step 4: Simplify right side
    7,818,836,701.80x = 48,619,674,952,113,127,424
  5. Step 5: Solve for x
    x = 48,619,674,952,113,127,424/7,818,836,701.80
  6. Step 6: Final answer
    x = 6,218,274,764.70

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Double scale
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1.5x scale

Why These Related Problems?

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