Home / 6,838,707,718.47-9,437,513,033.65-3,940,257,532.65

Finding the Fourth Proportional to 6,838,707,718.47, 9,437,513,033.65 and 3,940,257,532.65

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Solution

The fourth proportional to 6,838,707,718.47, 9,437,513,033.65 and 3,940,257,532.65 is: 5,437,610,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838,707,718.47 : 9,437,513,033.65 = 3,940,257,532.65 : x
  2. Step 2: Convert to fraction form
    6,838,707,718.47/9,437,513,033.65 = 3,940,257,532.65/x
  3. Step 3: Cross multiply
    6,838,707,718.47x = 9,437,513,033.65 × 3,940,257,532.65
  4. Step 4: Simplify right side
    6,838,707,718.47x = 37,186,231,820,321,964,032
  5. Step 5: Solve for x
    x = 37,186,231,820,321,964,032/6,838,707,718.47
  6. Step 6: Final answer
    x = 5,437,610,927.56

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1.5x scale

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.