Home / 248,512,880,559.03-372,767,072,509.60-78,532,497,513.15

Finding the Fourth Proportional to 248,512,880,559.03, 372,767,072,509.60 and 78,532,497,513.15

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Solution

The fourth proportional to 248,512,880,559.03, 372,767,072,509.60 and 78,532,497,513.15 is: 117,798,035,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,512,880,559.03 : 372,767,072,509.60 = 78,532,497,513.15 : x
  2. Step 2: Convert to fraction form
    248,512,880,559.03/372,767,072,509.60 = 78,532,497,513.15/x
  3. Step 3: Cross multiply
    248,512,880,559.03x = 372,767,072,509.60 × 78,532,497,513.15
  4. Step 4: Simplify right side
    248,512,880,559.03x = 29,274,329,194,844,362,113,024
  5. Step 5: Solve for x
    x = 29,274,329,194,844,362,113,024/248,512,880,559.03
  6. Step 6: Final answer
    x = 117,798,035,775.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.