Home / 962,369,582.97-1,328,071,007.39-522,336,525.69

Finding the Fourth Proportional to 962,369,582.97, 1,328,071,007.39 and 522,336,525.69

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Solution

The fourth proportional to 962,369,582.97, 1,328,071,007.39 and 522,336,525.69 is: 720,824,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,369,582.97 : 1,328,071,007.39 = 522,336,525.69 : x
  2. Step 2: Convert to fraction form
    962,369,582.97/1,328,071,007.39 = 522,336,525.69/x
  3. Step 3: Cross multiply
    962,369,582.97x = 1,328,071,007.39 × 522,336,525.69
  4. Step 4: Simplify right side
    962,369,582.97x = 693,699,995,867,099,264
  5. Step 5: Solve for x
    x = 693,699,995,867,099,264/962,369,582.97
  6. Step 6: Final answer
    x = 720,824,938.92

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Double scale
Find fourth proportional to 962,369,583.97, 1,328,071,008.77 and 522,336,526.69
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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.