Home / 20,416,133,299.39-30,606,732,479.86-7,834,021,002.55

Finding the Fourth Proportional to 20,416,133,299.39, 30,606,732,479.86 and 7,834,021,002.55

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Solution

The fourth proportional to 20,416,133,299.39, 30,606,732,479.86 and 7,834,021,002.55 is: 11,744,328,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416,133,299.39 : 30,606,732,479.86 = 7,834,021,002.55 : x
  2. Step 2: Convert to fraction form
    20,416,133,299.39/30,606,732,479.86 = 7,834,021,002.55/x
  3. Step 3: Cross multiply
    20,416,133,299.39x = 30,606,732,479.86 × 7,834,021,002.55
  4. Step 4: Simplify right side
    20,416,133,299.39x = 239,773,785,066,652,499,968
  5. Step 5: Solve for x
    x = 239,773,785,066,652,499,968/20,416,133,299.39
  6. Step 6: Final answer
    x = 11,744,328,935.87

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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.