Home / 13,119,379,934.84-18,117,248,211.50-12,404,644,482.43

Finding the Fourth Proportional to 13,119,379,934.84, 18,117,248,211.50 and 12,404,644,482.43

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Solution

The fourth proportional to 13,119,379,934.84, 18,117,248,211.50 and 12,404,644,482.43 is: 17,130,232,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119,379,934.84 : 18,117,248,211.50 = 12,404,644,482.43 : x
  2. Step 2: Convert to fraction form
    13,119,379,934.84/18,117,248,211.50 = 12,404,644,482.43/x
  3. Step 3: Cross multiply
    13,119,379,934.84x = 18,117,248,211.50 × 12,404,644,482.43
  4. Step 4: Simplify right side
    13,119,379,934.84x = 224,738,023,063,598,268,416
  5. Step 5: Solve for x
    x = 224,738,023,063,598,268,416/13,119,379,934.84
  6. Step 6: Final answer
    x = 17,130,232,082.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.