Home / 930,788,272.64-1,284,496,674.72-513,115,538.24

Finding the Fourth Proportional to 930,788,272.64, 1,284,496,674.72 and 513,115,538.24

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Solution

The fourth proportional to 930,788,272.64, 1,284,496,674.72 and 513,115,538.24 is: 708,104,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,788,272.64 : 1,284,496,674.72 = 513,115,538.24 : x
  2. Step 2: Convert to fraction form
    930,788,272.64/1,284,496,674.72 = 513,115,538.24/x
  3. Step 3: Cross multiply
    930,788,272.64x = 1,284,496,674.72 × 513,115,538.24
  4. Step 4: Simplify right side
    930,788,272.64x = 659,095,202,616,443,008
  5. Step 5: Solve for x
    x = 659,095,202,616,443,008/930,788,272.64
  6. Step 6: Final answer
    x = 708,104,326.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.