Home / 509,759,363.72-765,047,653.87-264,186,206.95

Finding the Fourth Proportional to 509,759,363.72, 765,047,653.87 and 264,186,206.95

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Solution

The fourth proportional to 509,759,363.72, 765,047,653.87 and 264,186,206.95 is: 396,491,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,759,363.72 : 765,047,653.87 = 264,186,206.95 : x
  2. Step 2: Convert to fraction form
    509,759,363.72/765,047,653.87 = 264,186,206.95/x
  3. Step 3: Cross multiply
    509,759,363.72x = 765,047,653.87 × 264,186,206.95
  4. Step 4: Simplify right side
    509,759,363.72x = 202,115,037,812,572,224
  5. Step 5: Solve for x
    x = 202,115,037,812,572,224/509,759,363.72
  6. Step 6: Final answer
    x = 396,491,074.41

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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.