Home / 866,142,459.37-1,298,694,849.28-275,677,649.51

Finding the Fourth Proportional to 866,142,459.37, 1,298,694,849.28 and 275,677,649.51

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Solution

The fourth proportional to 866,142,459.37, 1,298,694,849.28 and 275,677,649.51 is: 413,351,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,142,459.37 : 1,298,694,849.28 = 275,677,649.51 : x
  2. Step 2: Convert to fraction form
    866,142,459.37/1,298,694,849.28 = 275,677,649.51/x
  3. Step 3: Cross multiply
    866,142,459.37x = 1,298,694,849.28 × 275,677,649.51
  4. Step 4: Simplify right side
    866,142,459.37x = 358,021,143,480,254,080
  5. Step 5: Solve for x
    x = 358,021,143,480,254,080/866,142,459.37
  6. Step 6: Final answer
    x = 413,351,336.85

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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.