Home / 281,182,623,720.95-388,025,420,627.55-165,446,879,690.23

Finding the Fourth Proportional to 281,182,623,720.95, 388,025,420,627.55 and 165,446,879,690.23

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Solution

The fourth proportional to 281,182,623,720.95, 388,025,420,627.55 and 165,446,879,690.23 is: 228,312,810,492.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,182,623,720.95 : 388,025,420,627.55 = 165,446,879,690.23 : x
  2. Step 2: Convert to fraction form
    281,182,623,720.95/388,025,420,627.55 = 165,446,879,690.23/x
  3. Step 3: Cross multiply
    281,182,623,720.95x = 388,025,420,627.55 × 165,446,879,690.23
  4. Step 4: Simplify right side
    281,182,623,720.95x = 64,197,595,083,317,159,395,328
  5. Step 5: Solve for x
    x = 64,197,595,083,317,159,395,328/281,182,623,720.95
  6. Step 6: Final answer
    x = 228,312,810,492.26

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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.