Home / 798,513,214.67-1,196,699,175.81-621,464,152.01

Finding the Fourth Proportional to 798,513,214.67, 1,196,699,175.81 and 621,464,152.01

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Solution

The fourth proportional to 798,513,214.67, 1,196,699,175.81 and 621,464,152.01 is: 931,362,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,513,214.67 : 1,196,699,175.81 = 621,464,152.01 : x
  2. Step 2: Convert to fraction form
    798,513,214.67/1,196,699,175.81 = 621,464,152.01/x
  3. Step 3: Cross multiply
    798,513,214.67x = 1,196,699,175.81 × 621,464,152.01
  4. Step 4: Simplify right side
    798,513,214.67x = 743,705,638,499,843,968
  5. Step 5: Solve for x
    x = 743,705,638,499,843,968/798,513,214.67
  6. Step 6: Final answer
    x = 931,362,969.12

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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.