Home / 15,598,532,762.40-21,525,975,212.52-8,915,672,817.84

Finding the Fourth Proportional to 15,598,532,762.40, 21,525,975,212.52 and 8,915,672,817.84

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Solution

The fourth proportional to 15,598,532,762.40, 21,525,975,212.52 and 8,915,672,817.84 is: 12,303,628,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598,532,762.40 : 21,525,975,212.52 = 8,915,672,817.84 : x
  2. Step 2: Convert to fraction form
    15,598,532,762.40/21,525,975,212.52 = 8,915,672,817.84/x
  3. Step 3: Cross multiply
    15,598,532,762.40x = 21,525,975,212.52 × 8,915,672,817.84
  4. Step 4: Simplify right side
    15,598,532,762.40x = 191,918,552,079,762,194,432
  5. Step 5: Solve for x
    x = 191,918,552,079,762,194,432/15,598,532,762.40
  6. Step 6: Final answer
    x = 12,303,628,488.85

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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.