Home / 306,465,387.60-459,698,081.40-203,896,837.20

Finding the Fourth Proportional to 306,465,387.60, 459,698,081.40 and 203,896,837.20

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Solution

The fourth proportional to 306,465,387.60, 459,698,081.40 and 203,896,837.20 is: 305,845,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,465,387.60 : 459,698,081.40 = 203,896,837.20 : x
  2. Step 2: Convert to fraction form
    306,465,387.60/459,698,081.40 = 203,896,837.20/x
  3. Step 3: Cross multiply
    306,465,387.60x = 459,698,081.40 × 203,896,837.20
  4. Step 4: Simplify right side
    306,465,387.60x = 93,730,984,864,368,144
  5. Step 5: Solve for x
    x = 93,730,984,864,368,144/306,465,387.60
  6. Step 6: Final answer
    x = 305,845,255.80

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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.