Home / 16,380,728,595.45-22,621,017,709.95-15,488,316,946.89

Finding the Fourth Proportional to 16,380,728,595.45, 22,621,017,709.95 and 15,488,316,946.89

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Solution

The fourth proportional to 16,380,728,595.45, 22,621,017,709.95 and 15,488,316,946.89 is: 21,388,639,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380,728,595.45 : 22,621,017,709.95 = 15,488,316,946.89 : x
  2. Step 2: Convert to fraction form
    16,380,728,595.45/22,621,017,709.95 = 15,488,316,946.89/x
  3. Step 3: Cross multiply
    16,380,728,595.45x = 22,621,017,709.95 × 15,488,316,946.89
  4. Step 4: Simplify right side
    16,380,728,595.45x = 350,361,491,953,047,175,168
  5. Step 5: Solve for x
    x = 350,361,491,953,047,175,168/16,380,728,595.45
  6. Step 6: Final answer
    x = 21,388,639,089.61

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Double scale
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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.