Home / 502,638,131.70-693,357,202.53-301,643,602.02

Finding the Fourth Proportional to 502,638,131.70, 693,357,202.53 and 301,643,602.02

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Solution

The fourth proportional to 502,638,131.70, 693,357,202.53 and 301,643,602.02 is: 416,098,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,638,131.70 : 693,357,202.53 = 301,643,602.02 : x
  2. Step 2: Convert to fraction form
    502,638,131.70/693,357,202.53 = 301,643,602.02/x
  3. Step 3: Cross multiply
    502,638,131.70x = 693,357,202.53 × 301,643,602.02
  4. Step 4: Simplify right side
    502,638,131.70x = 209,146,764,057,659,840
  5. Step 5: Solve for x
    x = 209,146,764,057,659,840/502,638,131.70
  6. Step 6: Final answer
    x = 416,098,085.02

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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.