Home / 15,550,753,643.55-21,460,026,162.06-8,777,997,805.95

Finding the Fourth Proportional to 15,550,753,643.55, 21,460,026,162.06 and 8,777,997,805.95

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Solution

The fourth proportional to 15,550,753,643.55, 21,460,026,162.06 and 8,777,997,805.95 is: 12,113,629,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550,753,643.55 : 21,460,026,162.06 = 8,777,997,805.95 : x
  2. Step 2: Convert to fraction form
    15,550,753,643.55/21,460,026,162.06 = 8,777,997,805.95/x
  3. Step 3: Cross multiply
    15,550,753,643.55x = 21,460,026,162.06 × 8,777,997,805.95
  4. Step 4: Simplify right side
    15,550,753,643.55x = 188,376,062,566,192,316,416
  5. Step 5: Solve for x
    x = 188,376,062,566,192,316,416/15,550,753,643.55
  6. Step 6: Final answer
    x = 12,113,629,145.19

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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.