Home / 665,088,021.60-997,632,032.40-503,844,885.60

Finding the Fourth Proportional to 665,088,021.60, 997,632,032.40 and 503,844,885.60

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Solution

The fourth proportional to 665,088,021.60, 997,632,032.40 and 503,844,885.60 is: 755,767,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,088,021.60 : 997,632,032.40 = 503,844,885.60 : x
  2. Step 2: Convert to fraction form
    665,088,021.60/997,632,032.40 = 503,844,885.60/x
  3. Step 3: Cross multiply
    665,088,021.60x = 997,632,032.40 × 503,844,885.60
  4. Step 4: Simplify right side
    665,088,021.60x = 502,651,797,235,473,536
  5. Step 5: Solve for x
    x = 502,651,797,235,473,536/665,088,021.60
  6. Step 6: Final answer
    x = 755,767,328.40

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Similar ratio
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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.