Home / 512,095,689.30-768,143,533.95-382,955,526.30

Finding the Fourth Proportional to 512,095,689.30, 768,143,533.95 and 382,955,526.30

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Solution

The fourth proportional to 512,095,689.30, 768,143,533.95 and 382,955,526.30 is: 574,433,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,095,689.30 : 768,143,533.95 = 382,955,526.30 : x
  2. Step 2: Convert to fraction form
    512,095,689.30/768,143,533.95 = 382,955,526.30/x
  3. Step 3: Cross multiply
    512,095,689.30x = 768,143,533.95 × 382,955,526.30
  4. Step 4: Simplify right side
    512,095,689.30x = 294,164,811,317,764,224
  5. Step 5: Solve for x
    x = 294,164,811,317,764,224/512,095,689.30
  6. Step 6: Final answer
    x = 574,433,289.45

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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.