Home / 630,046,861.92-869,464,692-347,789,376

Finding the Fourth Proportional to 630,046,861.92, 869,464,692 and 347,789,376

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Solution

The fourth proportional to 630,046,861.92, 869,464,692 and 347,789,376 is: 479,949,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,046,861.92 : 869,464,692 = 347,789,376 : x
  2. Step 2: Convert to fraction form
    630,046,861.92/869,464,692 = 347,789,376/x
  3. Step 3: Cross multiply
    630,046,861.92x = 869,464,692 × 347,789,376
  4. Step 4: Simplify right side
    630,046,861.92x = 302,390,582,684,712,192
  5. Step 5: Solve for x
    x = 302,390,582,684,712,192/630,046,861.92
  6. Step 6: Final answer
    x = 479,949,351.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.