Home / 12,154,543,178.90-18,252,679,169.54-7,460,429,416.34

Finding the Fourth Proportional to 12,154,543,178.90, 18,252,679,169.54 and 7,460,429,416.34

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Solution

The fourth proportional to 12,154,543,178.90, 18,252,679,169.54 and 7,460,429,416.34 is: 11,203,450,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,543,178.90 : 18,252,679,169.54 = 7,460,429,416.34 : x
  2. Step 2: Convert to fraction form
    12,154,543,178.90/18,252,679,169.54 = 7,460,429,416.34/x
  3. Step 3: Cross multiply
    12,154,543,178.90x = 18,252,679,169.54 × 7,460,429,416.34
  4. Step 4: Simplify right side
    12,154,543,178.90x = 136,172,824,603,376,238,592
  5. Step 5: Solve for x
    x = 136,172,824,603,376,238,592/12,154,543,178.90
  6. Step 6: Final answer
    x = 11,203,450,643.86

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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.