Home / 1,019,121,747.82-1,406,359,522.65-617,473,297.78

Finding the Fourth Proportional to 1,019,121,747.82, 1,406,359,522.65 and 617,473,297.78

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Solution

The fourth proportional to 1,019,121,747.82, 1,406,359,522.65 and 617,473,297.78 is: 852,095,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,121,747.82 : 1,406,359,522.65 = 617,473,297.78 : x
  2. Step 2: Convert to fraction form
    1,019,121,747.82/1,406,359,522.65 = 617,473,297.78/x
  3. Step 3: Cross multiply
    1,019,121,747.82x = 1,406,359,522.65 × 617,473,297.78
  4. Step 4: Simplify right side
    1,019,121,747.82x = 868,389,452,315,002,112
  5. Step 5: Solve for x
    x = 868,389,452,315,002,112/1,019,121,747.82
  6. Step 6: Final answer
    x = 852,095,889.60

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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.