Home / 216,406,941.76-298,467,445.44-190,245,522.88

Finding the Fourth Proportional to 216,406,941.76, 298,467,445.44 and 190,245,522.88

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Solution

The fourth proportional to 216,406,941.76, 298,467,445.44 and 190,245,522.88 is: 262,385,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,406,941.76 : 298,467,445.44 = 190,245,522.88 : x
  2. Step 2: Convert to fraction form
    216,406,941.76/298,467,445.44 = 190,245,522.88/x
  3. Step 3: Cross multiply
    216,406,941.76x = 298,467,445.44 × 190,245,522.88
  4. Step 4: Simplify right side
    216,406,941.76x = 56,782,095,220,390,672
  5. Step 5: Solve for x
    x = 56,782,095,220,390,672/216,406,941.76
  6. Step 6: Final answer
    x = 262,385,738.45

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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.