Home / 630,432,003.10-945,648,004.65-340,194,358.30

Finding the Fourth Proportional to 630,432,003.10, 945,648,004.65 and 340,194,358.30

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Solution

The fourth proportional to 630,432,003.10, 945,648,004.65 and 340,194,358.30 is: 510,291,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,432,003.10 : 945,648,004.65 = 340,194,358.30 : x
  2. Step 2: Convert to fraction form
    630,432,003.10/945,648,004.65 = 340,194,358.30/x
  3. Step 3: Cross multiply
    630,432,003.10x = 945,648,004.65 × 340,194,358.30
  4. Step 4: Simplify right side
    630,432,003.10x = 321,704,116,119,582,144
  5. Step 5: Solve for x
    x = 321,704,116,119,582,144/630,432,003.10
  6. Step 6: Final answer
    x = 510,291,537.45

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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.