Home / 28,463,999,624.30-42,687,403,378.27-8,561,603,704.50

Finding the Fourth Proportional to 28,463,999,624.30, 42,687,403,378.27 and 8,561,603,704.50

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Solution

The fourth proportional to 28,463,999,624.30, 42,687,403,378.27 and 8,561,603,704.50 is: 12,839,819,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463,999,624.30 : 42,687,403,378.27 = 8,561,603,704.50 : x
  2. Step 2: Convert to fraction form
    28,463,999,624.30/42,687,403,378.27 = 8,561,603,704.50/x
  3. Step 3: Cross multiply
    28,463,999,624.30x = 42,687,403,378.27 × 8,561,603,704.50
  4. Step 4: Simplify right side
    28,463,999,624.30x = 365,472,630,898,882,248,704
  5. Step 5: Solve for x
    x = 365,472,630,898,882,248,704/28,463,999,624.30
  6. Step 6: Final answer
    x = 12,839,819,973.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.