Home / 777,312,776.40-1,165,981,606.20-202,884,104.40

Finding the Fourth Proportional to 777,312,776.40, 1,165,981,606.20 and 202,884,104.40

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Solution

The fourth proportional to 777,312,776.40, 1,165,981,606.20 and 202,884,104.40 is: 304,329,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,312,776.40 : 1,165,981,606.20 = 202,884,104.40 : x
  2. Step 2: Convert to fraction form
    777,312,776.40/1,165,981,606.20 = 202,884,104.40/x
  3. Step 3: Cross multiply
    777,312,776.40x = 1,165,981,606.20 × 202,884,104.40
  4. Step 4: Simplify right side
    777,312,776.40x = 236,559,133,920,760,512
  5. Step 5: Solve for x
    x = 236,559,133,920,760,512/777,312,776.40
  6. Step 6: Final answer
    x = 304,329,403.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.