Home / 962,369,578.47-1,328,071,001.18-522,336,521.19

Finding the Fourth Proportional to 962,369,578.47, 1,328,071,001.18 and 522,336,521.19

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Solution

The fourth proportional to 962,369,578.47, 1,328,071,001.18 and 522,336,521.19 is: 720,824,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,369,578.47 : 1,328,071,001.18 = 522,336,521.19 : x
  2. Step 2: Convert to fraction form
    962,369,578.47/1,328,071,001.18 = 522,336,521.19/x
  3. Step 3: Cross multiply
    962,369,578.47x = 1,328,071,001.18 × 522,336,521.19
  4. Step 4: Simplify right side
    962,369,578.47x = 693,699,986,649,681,664
  5. Step 5: Solve for x
    x = 693,699,986,649,681,664/962,369,578.47
  6. Step 6: Final answer
    x = 720,824,932.72

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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.