Home / 527,519,267.55-727,969,720.54-301,455,679.07

Finding the Fourth Proportional to 527,519,267.55, 727,969,720.54 and 301,455,679.07

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Solution

The fourth proportional to 527,519,267.55, 727,969,720.54 and 301,455,679.07 is: 416,004,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,519,267.55 : 727,969,720.54 = 301,455,679.07 : x
  2. Step 2: Convert to fraction form
    527,519,267.55/727,969,720.54 = 301,455,679.07/x
  3. Step 3: Cross multiply
    527,519,267.55x = 727,969,720.54 × 301,455,679.07
  4. Step 4: Simplify right side
    527,519,267.55x = 219,450,606,447,783,808
  5. Step 5: Solve for x
    x = 219,450,606,447,783,808/527,519,267.55
  6. Step 6: Final answer
    x = 416,004,911.95

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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.