Home / 15,339,608,095.80-21,183,279,140.64-14,503,915,794.72

Finding the Fourth Proportional to 15,339,608,095.80, 21,183,279,140.64 and 14,503,915,794.72

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Solution

The fourth proportional to 15,339,608,095.80, 21,183,279,140.64 and 14,503,915,794.72 is: 20,029,227,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339,608,095.80 : 21,183,279,140.64 = 14,503,915,794.72 : x
  2. Step 2: Convert to fraction form
    15,339,608,095.80/21,183,279,140.64 = 14,503,915,794.72/x
  3. Step 3: Cross multiply
    15,339,608,095.80x = 21,183,279,140.64 × 14,503,915,794.72
  4. Step 4: Simplify right side
    15,339,608,095.80x = 307,240,496,911,891,169,280
  5. Step 5: Solve for x
    x = 307,240,496,911,891,169,280/15,339,608,095.80
  6. Step 6: Final answer
    x = 20,029,227,278.37

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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.