Home / 569,826,421.56-785,736,014.49-371,219,612.85

Finding the Fourth Proportional to 569,826,421.56, 785,736,014.49 and 371,219,612.85

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Solution

The fourth proportional to 569,826,421.56, 785,736,014.49 and 371,219,612.85 is: 511,876,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,826,421.56 : 785,736,014.49 = 371,219,612.85 : x
  2. Step 2: Convert to fraction form
    569,826,421.56/785,736,014.49 = 371,219,612.85/x
  3. Step 3: Cross multiply
    569,826,421.56x = 785,736,014.49 × 371,219,612.85
  4. Step 4: Simplify right side
    569,826,421.56x = 291,680,619,101,279,808
  5. Step 5: Solve for x
    x = 291,680,619,101,279,808/569,826,421.56
  6. Step 6: Final answer
    x = 511,876,262.78

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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.