Home / 493,766,207.06-740,813,955.21-328,421,555.30

Finding the Fourth Proportional to 493,766,207.06, 740,813,955.21 and 328,421,555.30

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Solution

The fourth proportional to 493,766,207.06, 740,813,955.21 and 328,421,555.30 is: 492,741,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,766,207.06 : 740,813,955.21 = 328,421,555.30 : x
  2. Step 2: Convert to fraction form
    493,766,207.06/740,813,955.21 = 328,421,555.30/x
  3. Step 3: Cross multiply
    493,766,207.06x = 740,813,955.21 × 328,421,555.30
  4. Step 4: Simplify right side
    493,766,207.06x = 243,299,271,359,864,800
  5. Step 5: Solve for x
    x = 243,299,271,359,864,800/493,766,207.06
  6. Step 6: Final answer
    x = 492,741,843.98

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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.