Home / 30,143,844,686.55-45,215,767,029.83-12,451,642,355.55

Finding the Fourth Proportional to 30,143,844,686.55, 45,215,767,029.83 and 12,451,642,355.55

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Solution

The fourth proportional to 30,143,844,686.55, 45,215,767,029.83 and 12,451,642,355.55 is: 18,677,463,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143,844,686.55 : 45,215,767,029.83 = 12,451,642,355.55 : x
  2. Step 2: Convert to fraction form
    30,143,844,686.55/45,215,767,029.83 = 12,451,642,355.55/x
  3. Step 3: Cross multiply
    30,143,844,686.55x = 45,215,767,029.83 × 12,451,642,355.55
  4. Step 4: Simplify right side
    30,143,844,686.55x = 563,010,559,887,250,096,128
  5. Step 5: Solve for x
    x = 563,010,559,887,250,096,128/30,143,844,686.55
  6. Step 6: Final answer
    x = 18,677,463,533.33

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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.