Home / 734,040,590.16-1,012,975,957.80-399,515,511.36

Finding the Fourth Proportional to 734,040,590.16, 1,012,975,957.80 and 399,515,511.36

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Solution

The fourth proportional to 734,040,590.16, 1,012,975,957.80 and 399,515,511.36 is: 551,331,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,040,590.16 : 1,012,975,957.80 = 399,515,511.36 : x
  2. Step 2: Convert to fraction form
    734,040,590.16/1,012,975,957.80 = 399,515,511.36/x
  3. Step 3: Cross multiply
    734,040,590.16x = 1,012,975,957.80 × 399,515,511.36
  4. Step 4: Simplify right side
    734,040,590.16x = 404,699,607,775,852,800
  5. Step 5: Solve for x
    x = 404,699,607,775,852,800/734,040,590.16
  6. Step 6: Final answer
    x = 551,331,374.86

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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.