Home / 71,697,794,500.50-98,987,609,418.10-45,640,862,095.40

Finding the Fourth Proportional to 71,697,794,500.50, 98,987,609,418.10 and 45,640,862,095.40

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Solution

The fourth proportional to 71,697,794,500.50, 98,987,609,418.10 and 45,640,862,095.40 is: 63,012,814,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,697,794,500.50 : 98,987,609,418.10 = 45,640,862,095.40 : x
  2. Step 2: Convert to fraction form
    71,697,794,500.50/98,987,609,418.10 = 45,640,862,095.40/x
  3. Step 3: Cross multiply
    71,697,794,500.50x = 98,987,609,418.10 × 45,640,862,095.40
  4. Step 4: Simplify right side
    71,697,794,500.50x = 4,517,879,830,604,524,027,904
  5. Step 5: Solve for x
    x = 4,517,879,830,604,524,027,904/71,697,794,500.50
  6. Step 6: Final answer
    x = 63,012,814,579.30

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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.