Home / 486,303,237.12-671,098,611.84-263,284,874.40

Finding the Fourth Proportional to 486,303,237.12, 671,098,611.84 and 263,284,874.40

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Solution

The fourth proportional to 486,303,237.12, 671,098,611.84 and 263,284,874.40 is: 363,333,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,303,237.12 : 671,098,611.84 = 263,284,874.40 : x
  2. Step 2: Convert to fraction form
    486,303,237.12/671,098,611.84 = 263,284,874.40/x
  3. Step 3: Cross multiply
    486,303,237.12x = 671,098,611.84 × 263,284,874.40
  4. Step 4: Simplify right side
    486,303,237.12x = 176,690,113,728,308,768
  5. Step 5: Solve for x
    x = 176,690,113,728,308,768/486,303,237.12
  6. Step 6: Final answer
    x = 363,333,204.97

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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.