Home / 630,189,703.05-869,662,993.68-347,932,689.90

Finding the Fourth Proportional to 630,189,703.05, 869,662,993.68 and 347,932,689.90

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Solution

The fourth proportional to 630,189,703.05, 869,662,993.68 and 347,932,689.90 is: 480,147,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,189,703.05 : 869,662,993.68 = 347,932,689.90 : x
  2. Step 2: Convert to fraction form
    630,189,703.05/869,662,993.68 = 347,932,689.90/x
  3. Step 3: Cross multiply
    630,189,703.05x = 869,662,993.68 × 347,932,689.90
  4. Step 4: Simplify right side
    630,189,703.05x = 302,584,184,697,569,088
  5. Step 5: Solve for x
    x = 302,584,184,697,569,088/630,189,703.05
  6. Step 6: Final answer
    x = 480,147,776.51

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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.