Home / 421,236,000.55-630,720,260.02-421,236,000.55

Finding the Fourth Proportional to 421,236,000.55, 630,720,260.02 and 421,236,000.55

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Solution

The fourth proportional to 421,236,000.55, 630,720,260.02 and 421,236,000.55 is: 630,720,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,236,000.55 : 630,720,260.02 = 421,236,000.55 : x
  2. Step 2: Convert to fraction form
    421,236,000.55/630,720,260.02 = 421,236,000.55/x
  3. Step 3: Cross multiply
    421,236,000.55x = 630,720,260.02 × 421,236,000.55
  4. Step 4: Simplify right side
    421,236,000.55x = 265,682,079,796,680,864
  5. Step 5: Solve for x
    x = 265,682,079,796,680,864/421,236,000.55
  6. Step 6: Final answer
    x = 630,720,260.02

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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.