Home / 789,781,806.10-1,184,672,709.15-402,361,317.10

Finding the Fourth Proportional to 789,781,806.10, 1,184,672,709.15 and 402,361,317.10

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Solution

The fourth proportional to 789,781,806.10, 1,184,672,709.15 and 402,361,317.10 is: 603,541,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,781,806.10 : 1,184,672,709.15 = 402,361,317.10 : x
  2. Step 2: Convert to fraction form
    789,781,806.10/1,184,672,709.15 = 402,361,317.10/x
  3. Step 3: Cross multiply
    789,781,806.10x = 1,184,672,709.15 × 402,361,317.10
  4. Step 4: Simplify right side
    789,781,806.10x = 476,666,471,586,019,264
  5. Step 5: Solve for x
    x = 476,666,471,586,019,264/789,781,806.10
  6. Step 6: Final answer
    x = 603,541,975.65

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Double scale
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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.