Home / 15,625,180,668.15-21,564,597,871.94-9,281,573,563.95

Finding the Fourth Proportional to 15,625,180,668.15, 21,564,597,871.94 and 9,281,573,563.95

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Solution

The fourth proportional to 15,625,180,668.15, 21,564,597,871.94 and 9,281,573,563.95 is: 12,809,669,582.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625,180,668.15 : 21,564,597,871.94 = 9,281,573,563.95 : x
  2. Step 2: Convert to fraction form
    15,625,180,668.15/21,564,597,871.94 = 9,281,573,563.95/x
  3. Step 3: Cross multiply
    15,625,180,668.15x = 21,564,597,871.94 × 9,281,573,563.95
  4. Step 4: Simplify right side
    15,625,180,668.15x = 200,153,401,525,373,632,512
  5. Step 5: Solve for x
    x = 200,153,401,525,373,632,512/15,625,180,668.15
  6. Step 6: Final answer
    x = 12,809,669,582.47

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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.