Home / 1,587,445,266.30-2,190,797,172.84-952,389,657.39

Finding the Fourth Proportional to 1,587,445,266.30, 2,190,797,172.84 and 952,389,657.39

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Solution

The fourth proportional to 1,587,445,266.30, 2,190,797,172.84 and 952,389,657.39 is: 1,314,371,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,445,266.30 : 2,190,797,172.84 = 952,389,657.39 : x
  2. Step 2: Convert to fraction form
    1,587,445,266.30/2,190,797,172.84 = 952,389,657.39/x
  3. Step 3: Cross multiply
    1,587,445,266.30x = 2,190,797,172.84 × 952,389,657.39
  4. Step 4: Simplify right side
    1,587,445,266.30x = 2,086,492,568,852,068,352
  5. Step 5: Solve for x
    x = 2,086,492,568,852,068,352/1,587,445,266.30
  6. Step 6: Final answer
    x = 1,314,371,344.42

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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.