Home / 1,284,837,059.90-1,772,918,387.24-720,191,626.22

Finding the Fourth Proportional to 1,284,837,059.90, 1,772,918,387.24 and 720,191,626.22

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Solution

The fourth proportional to 1,284,837,059.90, 1,772,918,387.24 and 720,191,626.22 is: 993,776,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,837,059.90 : 1,772,918,387.24 = 720,191,626.22 : x
  2. Step 2: Convert to fraction form
    1,284,837,059.90/1,772,918,387.24 = 720,191,626.22/x
  3. Step 3: Cross multiply
    1,284,837,059.90x = 1,772,918,387.24 × 720,191,626.22
  4. Step 4: Simplify right side
    1,284,837,059.90x = 1,276,840,976,461,715,456
  5. Step 5: Solve for x
    x = 1,276,840,976,461,715,456/1,284,837,059.90
  6. Step 6: Final answer
    x = 993,776,577.83

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Double scale
Find fourth proportional to 1,284,837,060.90, 1,772,918,388.62 and 720,191,627.22
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.