Home / 527,747,250.00-728,289,206.38-289,596,419.00

Finding the Fourth Proportional to 527,747,250.00, 728,289,206.38 and 289,596,419.00

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Solution

The fourth proportional to 527,747,250.00, 728,289,206.38 and 289,596,419.00 is: 399,641,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,747,250.00 : 728,289,206.38 = 289,596,419.00 : x
  2. Step 2: Convert to fraction form
    527,747,250.00/728,289,206.38 = 289,596,419.00/x
  3. Step 3: Cross multiply
    527,747,250.00x = 728,289,206.38 × 289,596,419.00
  4. Step 4: Simplify right side
    527,747,250.00x = 210,909,946,163,451,584
  5. Step 5: Solve for x
    x = 210,909,946,163,451,584/527,747,250.00
  6. Step 6: Final answer
    x = 399,641,961.49

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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.