Home / 630,090,219.24-869,501,709.06-347,826,597.52

Finding the Fourth Proportional to 630,090,219.24, 869,501,709.06 and 347,826,597.52

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Solution

The fourth proportional to 630,090,219.24, 869,501,709.06 and 347,826,597.52 is: 479,988,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,090,219.24 : 869,501,709.06 = 347,826,597.52 : x
  2. Step 2: Convert to fraction form
    630,090,219.24/869,501,709.06 = 347,826,597.52/x
  3. Step 3: Cross multiply
    630,090,219.24x = 869,501,709.06 × 347,826,597.52
  4. Step 4: Simplify right side
    630,090,219.24x = 302,435,821,000,164,736
  5. Step 5: Solve for x
    x = 302,435,821,000,164,736/630,090,219.24
  6. Step 6: Final answer
    x = 479,988,121.96

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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.