Home / 15,779,002,928.40-21,775,035,780.72-8,545,106,558.88

Finding the Fourth Proportional to 15,779,002,928.40, 21,775,035,780.72 and 8,545,106,558.88

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Solution

The fourth proportional to 15,779,002,928.40, 21,775,035,780.72 and 8,545,106,558.88 is: 11,792,253,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,002,928.40 : 21,775,035,780.72 = 8,545,106,558.88 : x
  2. Step 2: Convert to fraction form
    15,779,002,928.40/21,775,035,780.72 = 8,545,106,558.88/x
  3. Step 3: Cross multiply
    15,779,002,928.40x = 21,775,035,780.72 × 8,545,106,558.88
  4. Step 4: Simplify right side
    15,779,002,928.40x = 186,070,001,069,677,150,208
  5. Step 5: Solve for x
    x = 186,070,001,069,677,150,208/15,779,002,928.40
  6. Step 6: Final answer
    x = 11,792,253,408.79

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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.