Home / 372,088,968-513,477,760.32-207,076,493.76

Finding the Fourth Proportional to 372,088,968, 513,477,760.32 and 207,076,493.76

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Solution

The fourth proportional to 372,088,968, 513,477,760.32 and 207,076,493.76 is: 285,762,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,088,968 : 513,477,760.32 = 207,076,493.76 : x
  2. Step 2: Convert to fraction form
    372,088,968/513,477,760.32 = 207,076,493.76/x
  3. Step 3: Cross multiply
    372,088,968x = 513,477,760.32 × 207,076,493.76
  4. Step 4: Simplify right side
    372,088,968x = 106,329,174,230,803,248
  5. Step 5: Solve for x
    x = 106,329,174,230,803,248/372,088,968
  6. Step 6: Final answer
    x = 285,762,770.13

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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.