Home / 12,315,920,959.17-18,472,917,724.25-3,472,402,596.93

Finding the Fourth Proportional to 12,315,920,959.17, 18,472,917,724.25 and 3,472,402,596.93

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Solution

The fourth proportional to 12,315,920,959.17, 18,472,917,724.25 and 3,472,402,596.93 is: 5,208,332,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315,920,959.17 : 18,472,917,724.25 = 3,472,402,596.93 : x
  2. Step 2: Convert to fraction form
    12,315,920,959.17/18,472,917,724.25 = 3,472,402,596.93/x
  3. Step 3: Cross multiply
    12,315,920,959.17x = 18,472,917,724.25 × 3,472,402,596.93
  4. Step 4: Simplify right side
    12,315,920,959.17x = 64,145,407,478,542,557,184
  5. Step 5: Solve for x
    x = 64,145,407,478,542,557,184/12,315,920,959.17
  6. Step 6: Final answer
    x = 5,208,332,181.67

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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.