Home / 8,968,085,856.24-12,376,334,465.80-5,157,611,782.26

Finding the Fourth Proportional to 8,968,085,856.24, 12,376,334,465.80 and 5,157,611,782.26

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Solution

The fourth proportional to 8,968,085,856.24, 12,376,334,465.80 and 5,157,611,782.26 is: 7,117,720,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968,085,856.24 : 12,376,334,465.80 = 5,157,611,782.26 : x
  2. Step 2: Convert to fraction form
    8,968,085,856.24/12,376,334,465.80 = 5,157,611,782.26/x
  3. Step 3: Cross multiply
    8,968,085,856.24x = 12,376,334,465.80 × 5,157,611,782.26
  4. Step 4: Simplify right side
    8,968,085,856.24x = 63,832,328,461,974,814,720
  5. Step 5: Solve for x
    x = 63,832,328,461,974,814,720/8,968,085,856.24
  6. Step 6: Final answer
    x = 7,117,720,490.77

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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.