Home / 798,511,262.51-1,196,696,243.36-621,462,189.89

Finding the Fourth Proportional to 798,511,262.51, 1,196,696,243.36 and 621,462,189.89

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Solution

The fourth proportional to 798,511,262.51, 1,196,696,243.36 and 621,462,189.89 is: 931,360,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,511,262.51 : 1,196,696,243.36 = 621,462,189.89 : x
  2. Step 2: Convert to fraction form
    798,511,262.51/1,196,696,243.36 = 621,462,189.89/x
  3. Step 3: Cross multiply
    798,511,262.51x = 1,196,696,243.36 × 621,462,189.89
  4. Step 4: Simplify right side
    798,511,262.51x = 743,701,468,022,551,168
  5. Step 5: Solve for x
    x = 743,701,468,022,551,168/798,511,262.51
  6. Step 6: Final answer
    x = 931,360,023.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.