Home / 570,175,498.35-786,842,193.96-309,415,114.35

Finding the Fourth Proportional to 570,175,498.35, 786,842,193.96 and 309,415,114.35

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Solution

The fourth proportional to 570,175,498.35, 786,842,193.96 and 309,415,114.35 is: 426,992,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,175,498.35 : 786,842,193.96 = 309,415,114.35 : x
  2. Step 2: Convert to fraction form
    570,175,498.35/786,842,193.96 = 309,415,114.35/x
  3. Step 3: Cross multiply
    570,175,498.35x = 786,842,193.96 × 309,415,114.35
  4. Step 4: Simplify right side
    570,175,498.35x = 243,460,867,419,538,304
  5. Step 5: Solve for x
    x = 243,460,867,419,538,304/570,175,498.35
  6. Step 6: Final answer
    x = 426,992,861.19

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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.