Home / 798,513,216.93-1,196,699,179.19-621,464,154.26

Finding the Fourth Proportional to 798,513,216.93, 1,196,699,179.19 and 621,464,154.26

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Solution

The fourth proportional to 798,513,216.93, 1,196,699,179.19 and 621,464,154.26 is: 931,362,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,513,216.93 : 1,196,699,179.19 = 621,464,154.26 : x
  2. Step 2: Convert to fraction form
    798,513,216.93/1,196,699,179.19 = 621,464,154.26/x
  3. Step 3: Cross multiply
    798,513,216.93x = 1,196,699,179.19 × 621,464,154.26
  4. Step 4: Simplify right side
    798,513,216.93x = 743,705,643,298,834,048
  5. Step 5: Solve for x
    x = 743,705,643,298,834,048/798,513,216.93
  6. Step 6: Final answer
    x = 931,362,972.50

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Double scale
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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.