Home / 798,513,217.68-1,196,699,180.31-621,464,155.01

Finding the Fourth Proportional to 798,513,217.68, 1,196,699,180.31 and 621,464,155.01

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Solution

The fourth proportional to 798,513,217.68, 1,196,699,180.31 and 621,464,155.01 is: 931,362,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,513,217.68 : 1,196,699,180.31 = 621,464,155.01 : x
  2. Step 2: Convert to fraction form
    798,513,217.68/1,196,699,180.31 = 621,464,155.01/x
  3. Step 3: Cross multiply
    798,513,217.68x = 1,196,699,180.31 × 621,464,155.01
  4. Step 4: Simplify right side
    798,513,217.68x = 743,705,644,895,505,536
  5. Step 5: Solve for x
    x = 743,705,644,895,505,536/798,513,217.68
  6. Step 6: Final answer
    x = 931,362,973.62

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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.