Home / 13,269,520,074.64-18,311,816,710.28-7,248,024,514.48

Finding the Fourth Proportional to 13,269,520,074.64, 18,311,816,710.28 and 7,248,024,514.48

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Solution

The fourth proportional to 13,269,520,074.64, 18,311,816,710.28 and 7,248,024,514.48 is: 10,002,207,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,520,074.64 : 18,311,816,710.28 = 7,248,024,514.48 : x
  2. Step 2: Convert to fraction form
    13,269,520,074.64/18,311,816,710.28 = 7,248,024,514.48/x
  3. Step 3: Cross multiply
    13,269,520,074.64x = 18,311,816,710.28 × 7,248,024,514.48
  4. Step 4: Simplify right side
    13,269,520,074.64x = 132,724,496,420,773,937,152
  5. Step 5: Solve for x
    x = 132,724,496,420,773,937,152/13,269,520,074.64
  6. Step 6: Final answer
    x = 10,002,207,741.82

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1.5x scale

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.