Home / 808,524,986.60-1,212,787,479.90-706,488,314.60

Finding the Fourth Proportional to 808,524,986.60, 1,212,787,479.90 and 706,488,314.60

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Solution

The fourth proportional to 808,524,986.60, 1,212,787,479.90 and 706,488,314.60 is: 1,059,732,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,524,986.60 : 1,212,787,479.90 = 706,488,314.60 : x
  2. Step 2: Convert to fraction form
    808,524,986.60/1,212,787,479.90 = 706,488,314.60/x
  3. Step 3: Cross multiply
    808,524,986.60x = 1,212,787,479.90 × 706,488,314.60
  4. Step 4: Simplify right side
    808,524,986.60x = 856,820,182,642,532,480
  5. Step 5: Solve for x
    x = 856,820,182,642,532,480/808,524,986.60
  6. Step 6: Final answer
    x = 1,059,732,471.90

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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.