Home / 403,794,343.20-604,298,055.60-242,352,141.60

Finding the Fourth Proportional to 403,794,343.20, 604,298,055.60 and 242,352,141.60

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Solution

The fourth proportional to 403,794,343.20, 604,298,055.60 and 242,352,141.60 is: 362,691,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,794,343.20 : 604,298,055.60 = 242,352,141.60 : x
  2. Step 2: Convert to fraction form
    403,794,343.20/604,298,055.60 = 242,352,141.60/x
  3. Step 3: Cross multiply
    403,794,343.20x = 604,298,055.60 × 242,352,141.60
  4. Step 4: Simplify right side
    403,794,343.20x = 146,452,927,939,375,872
  5. Step 5: Solve for x
    x = 146,452,927,939,375,872/403,794,343.20
  6. Step 6: Final answer
    x = 362,691,876.21

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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.