Home / 630,070,404.40-945,099,385.80-199,248,900.40

Finding the Fourth Proportional to 630,070,404.40, 945,099,385.80 and 199,248,900.40

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Solution

The fourth proportional to 630,070,404.40, 945,099,385.80 and 199,248,900.40 is: 298,871,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,070,404.40 : 945,099,385.80 = 199,248,900.40 : x
  2. Step 2: Convert to fraction form
    630,070,404.40/945,099,385.80 = 199,248,900.40/x
  3. Step 3: Cross multiply
    630,070,404.40x = 945,099,385.80 × 199,248,900.40
  4. Step 4: Simplify right side
    630,070,404.40x = 188,310,013,389,365,376
  5. Step 5: Solve for x
    x = 188,310,013,389,365,376/630,070,404.40
  6. Step 6: Final answer
    x = 298,871,383.38

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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.