Home / 455,157,464.42-682,459,727.25-178,477,211.68

Finding the Fourth Proportional to 455,157,464.42, 682,459,727.25 and 178,477,211.68

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Solution

The fourth proportional to 455,157,464.42, 682,459,727.25 and 178,477,211.68 is: 267,607,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,157,464.42 : 682,459,727.25 = 178,477,211.68 : x
  2. Step 2: Convert to fraction form
    455,157,464.42/682,459,727.25 = 178,477,211.68/x
  3. Step 3: Cross multiply
    455,157,464.42x = 682,459,727.25 × 178,477,211.68
  4. Step 4: Simplify right side
    455,157,464.42x = 121,803,509,203,473,312
  5. Step 5: Solve for x
    x = 121,803,509,203,473,312/455,157,464.42
  6. Step 6: Final answer
    x = 267,607,407.82

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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.