Home / 377,760,280.39-521,347,978.34-227,101,710.67

Finding the Fourth Proportional to 377,760,280.39, 521,347,978.34 and 227,101,710.67

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Solution

The fourth proportional to 377,760,280.39, 521,347,978.34 and 227,101,710.67 is: 313,423,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,760,280.39 : 521,347,978.34 = 227,101,710.67 : x
  2. Step 2: Convert to fraction form
    377,760,280.39/521,347,978.34 = 227,101,710.67/x
  3. Step 3: Cross multiply
    377,760,280.39x = 521,347,978.34 × 227,101,710.67
  4. Step 4: Simplify right side
    377,760,280.39x = 118,399,017,733,772,848
  5. Step 5: Solve for x
    x = 118,399,017,733,772,848/377,760,280.39
  6. Step 6: Final answer
    x = 313,423,681.32

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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.