Home / 798,513,214.64-1,196,699,175.74-621,464,151.96

Finding the Fourth Proportional to 798,513,214.64, 1,196,699,175.74 and 621,464,151.96

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Solution

The fourth proportional to 798,513,214.64, 1,196,699,175.74 and 621,464,151.96 is: 931,362,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,513,214.64 : 1,196,699,175.74 = 621,464,151.96 : x
  2. Step 2: Convert to fraction form
    798,513,214.64/1,196,699,175.74 = 621,464,151.96/x
  3. Step 3: Cross multiply
    798,513,214.64x = 1,196,699,175.74 × 621,464,151.96
  4. Step 4: Simplify right side
    798,513,214.64x = 743,705,638,404,043,904
  5. Step 5: Solve for x
    x = 743,705,638,404,043,904/798,513,214.64
  6. Step 6: Final answer
    x = 931,362,969.04

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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.