Home / 1,786,201,643.47-2,464,960,315.22-993,230,597.47

Finding the Fourth Proportional to 1,786,201,643.47, 2,464,960,315.22 and 993,230,597.47

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Solution

The fourth proportional to 1,786,201,643.47, 2,464,960,315.22 and 993,230,597.47 is: 1,370,659,362.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,201,643.47 : 2,464,960,315.22 = 993,230,597.47 : x
  2. Step 2: Convert to fraction form
    1,786,201,643.47/2,464,960,315.22 = 993,230,597.47/x
  3. Step 3: Cross multiply
    1,786,201,643.47x = 2,464,960,315.22 × 993,230,597.47
  4. Step 4: Simplify right side
    1,786,201,643.47x = 2,448,274,006,625,800,192
  5. Step 5: Solve for x
    x = 2,448,274,006,625,800,192/1,786,201,643.47
  6. Step 6: Final answer
    x = 1,370,659,362.89

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Double scale
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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.