Home / 455,157,509.40-682,459,794.72-178,477,256.76

Finding the Fourth Proportional to 455,157,509.40, 682,459,794.72 and 178,477,256.76

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Solution

The fourth proportional to 455,157,509.40, 682,459,794.72 and 178,477,256.76 is: 267,607,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,157,509.40 : 682,459,794.72 = 178,477,256.76 : x
  2. Step 2: Convert to fraction form
    455,157,509.40/682,459,794.72 = 178,477,256.76/x
  3. Step 3: Cross multiply
    455,157,509.40x = 682,459,794.72 × 178,477,256.76
  4. Step 4: Simplify right side
    455,157,509.40x = 121,803,552,010,618,336
  5. Step 5: Solve for x
    x = 121,803,552,010,618,336/455,157,509.40
  6. Step 6: Final answer
    x = 267,607,475.42

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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.