Home / 708,590,918.80-1,062,886,378.20-248,363,012.80

Finding the Fourth Proportional to 708,590,918.80, 1,062,886,378.20 and 248,363,012.80

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Solution

The fourth proportional to 708,590,918.80, 1,062,886,378.20 and 248,363,012.80 is: 372,544,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,918.80 : 1,062,886,378.20 = 248,363,012.80 : x
  2. Step 2: Convert to fraction form
    708,590,918.80/1,062,886,378.20 = 248,363,012.80/x
  3. Step 3: Cross multiply
    708,590,918.80x = 1,062,886,378.20 × 248,363,012.80
  4. Step 4: Simplify right side
    708,590,918.80x = 263,981,663,153,832,256
  5. Step 5: Solve for x
    x = 263,981,663,153,832,256/708,590,918.80
  6. Step 6: Final answer
    x = 372,544,519.20

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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.