Home / 28,463,999,623.30-42,687,403,376.77-8,561,603,703.50

Finding the Fourth Proportional to 28,463,999,623.30, 42,687,403,376.77 and 8,561,603,703.50

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Solution

The fourth proportional to 28,463,999,623.30, 42,687,403,376.77 and 8,561,603,703.50 is: 12,839,819,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463,999,623.30 : 42,687,403,376.77 = 8,561,603,703.50 : x
  2. Step 2: Convert to fraction form
    28,463,999,623.30/42,687,403,376.77 = 8,561,603,703.50/x
  3. Step 3: Cross multiply
    28,463,999,623.30x = 42,687,403,376.77 × 8,561,603,703.50
  4. Step 4: Simplify right side
    28,463,999,623.30x = 365,472,630,843,352,416,256
  5. Step 5: Solve for x
    x = 365,472,630,843,352,416,256/28,463,999,623.30
  6. Step 6: Final answer
    x = 12,839,819,971.90

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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.