Home / 12,154,543,178.15-18,252,679,168.43-7,460,429,415.59

Finding the Fourth Proportional to 12,154,543,178.15, 18,252,679,168.43 and 7,460,429,415.59

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Solution

The fourth proportional to 12,154,543,178.15, 18,252,679,168.43 and 7,460,429,415.59 is: 11,203,450,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,543,178.15 : 18,252,679,168.43 = 7,460,429,415.59 : x
  2. Step 2: Convert to fraction form
    12,154,543,178.15/18,252,679,168.43 = 7,460,429,415.59/x
  3. Step 3: Cross multiply
    12,154,543,178.15x = 18,252,679,168.43 × 7,460,429,415.59
  4. Step 4: Simplify right side
    12,154,543,178.15x = 136,172,824,581,353,422,848
  5. Step 5: Solve for x
    x = 136,172,824,581,353,422,848/12,154,543,178.15
  6. Step 6: Final answer
    x = 11,203,450,642.74

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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.