Home / 630,090,219.50-869,501,709.41-347,826,597.76

Finding the Fourth Proportional to 630,090,219.50, 869,501,709.41 and 347,826,597.76

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Solution

The fourth proportional to 630,090,219.50, 869,501,709.41 and 347,826,597.76 is: 479,988,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,090,219.50 : 869,501,709.41 = 347,826,597.76 : x
  2. Step 2: Convert to fraction form
    630,090,219.50/869,501,709.41 = 347,826,597.76/x
  3. Step 3: Cross multiply
    630,090,219.50x = 869,501,709.41 × 347,826,597.76
  4. Step 4: Simplify right side
    630,090,219.50x = 302,435,821,326,671,552
  5. Step 5: Solve for x
    x = 302,435,821,326,671,552/630,090,219.50
  6. Step 6: Final answer
    x = 479,988,122.29

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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.