Home / 630,070,403.40-945,099,384.30-199,248,899.40

Finding the Fourth Proportional to 630,070,403.40, 945,099,384.30 and 199,248,899.40

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Solution

The fourth proportional to 630,070,403.40, 945,099,384.30 and 199,248,899.40 is: 298,871,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,070,403.40 : 945,099,384.30 = 199,248,899.40 : x
  2. Step 2: Convert to fraction form
    630,070,403.40/945,099,384.30 = 199,248,899.40/x
  3. Step 3: Cross multiply
    630,070,403.40x = 945,099,384.30 × 199,248,899.40
  4. Step 4: Simplify right side
    630,070,403.40x = 188,310,012,145,392,640
  5. Step 5: Solve for x
    x = 188,310,012,145,392,640/630,070,403.40
  6. Step 6: Final answer
    x = 298,871,381.88

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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.