Home / 477,840,269.96-659,452,714.57-289,676,494.96

Finding the Fourth Proportional to 477,840,269.96, 659,452,714.57 and 289,676,494.96

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Solution

The fourth proportional to 477,840,269.96, 659,452,714.57 and 289,676,494.96 is: 399,773,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,840,269.96 : 659,452,714.57 = 289,676,494.96 : x
  2. Step 2: Convert to fraction form
    477,840,269.96/659,452,714.57 = 289,676,494.96/x
  3. Step 3: Cross multiply
    477,840,269.96x = 659,452,714.57 × 289,676,494.96
  4. Step 4: Simplify right side
    477,840,269.96x = 191,027,950,943,749,280
  5. Step 5: Solve for x
    x = 191,027,950,943,749,280/477,840,269.96
  6. Step 6: Final answer
    x = 399,773,654.40

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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.