Home / 1,260,998,907,918.60-1,891,741,719,366.60-411,827,147,888.55

Finding the Fourth Proportional to 1,260,998,907,918.60, 1,891,741,719,366.60 and 411,827,147,888.55

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Solution

The fourth proportional to 1,260,998,907,918.60, 1,891,741,719,366.60 and 411,827,147,888.55 is: 617,820,199,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,998,907,918.60 : 1,891,741,719,366.60 = 411,827,147,888.55 : x
  2. Step 2: Convert to fraction form
    1,260,998,907,918.60/1,891,741,719,366.60 = 411,827,147,888.55/x
  3. Step 3: Cross multiply
    1,260,998,907,918.60x = 1,891,741,719,366.60 × 411,827,147,888.55
  4. Step 4: Simplify right side
    1,260,998,907,918.60x = 779,070,596,828,528,646,291,456
  5. Step 5: Solve for x
    x = 779,070,596,828,528,646,291,456/1,260,998,907,918.60
  6. Step 6: Final answer
    x = 617,820,199,475.40

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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.