Home / 798,513,213.92-1,196,699,174.69-621,464,151.26

Finding the Fourth Proportional to 798,513,213.92, 1,196,699,174.69 and 621,464,151.26

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Solution

The fourth proportional to 798,513,213.92, 1,196,699,174.69 and 621,464,151.26 is: 931,362,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,513,213.92 : 1,196,699,174.69 = 621,464,151.26 : x
  2. Step 2: Convert to fraction form
    798,513,213.92/1,196,699,174.69 = 621,464,151.26/x
  3. Step 3: Cross multiply
    798,513,213.92x = 1,196,699,174.69 × 621,464,151.26
  4. Step 4: Simplify right side
    798,513,213.92x = 743,705,636,905,422,336
  5. Step 5: Solve for x
    x = 743,705,636,905,422,336/798,513,213.92
  6. Step 6: Final answer
    x = 931,362,968.00

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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.