Home / 760,786,926.76-1,140,383,911.93-318,383,079.61

Finding the Fourth Proportional to 760,786,926.76, 1,140,383,911.93 and 318,383,079.61

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Solution

The fourth proportional to 760,786,926.76, 1,140,383,911.93 and 318,383,079.61 is: 477,241,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,786,926.76 : 1,140,383,911.93 = 318,383,079.61 : x
  2. Step 2: Convert to fraction form
    760,786,926.76/1,140,383,911.93 = 318,383,079.61/x
  3. Step 3: Cross multiply
    760,786,926.76x = 1,140,383,911.93 × 318,383,079.61
  4. Step 4: Simplify right side
    760,786,926.76x = 363,078,941,817,972,480
  5. Step 5: Solve for x
    x = 363,078,941,817,972,480/760,786,926.76
  6. Step 6: Final answer
    x = 477,241,299.83

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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.