Home / 540,182,069.28-745,039,965.38-464,956,429.65

Finding the Fourth Proportional to 540,182,069.28, 745,039,965.38 and 464,956,429.65

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Solution

The fourth proportional to 540,182,069.28, 745,039,965.38 and 464,956,429.65 is: 641,285,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,182,069.28 : 745,039,965.38 = 464,956,429.65 : x
  2. Step 2: Convert to fraction form
    540,182,069.28/745,039,965.38 = 464,956,429.65/x
  3. Step 3: Cross multiply
    540,182,069.28x = 745,039,965.38 × 464,956,429.65
  4. Step 4: Simplify right side
    540,182,069.28x = 346,411,122,247,319,616
  5. Step 5: Solve for x
    x = 346,411,122,247,319,616/540,182,069.28
  6. Step 6: Final answer
    x = 641,285,858.88

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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.