Home / 502,038,047.80-753,057,071.70-421,684,168.60

Finding the Fourth Proportional to 502,038,047.80, 753,057,071.70 and 421,684,168.60

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Solution

The fourth proportional to 502,038,047.80, 753,057,071.70 and 421,684,168.60 is: 632,526,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,038,047.80 : 753,057,071.70 = 421,684,168.60 : x
  2. Step 2: Convert to fraction form
    502,038,047.80/753,057,071.70 = 421,684,168.60/x
  3. Step 3: Cross multiply
    502,038,047.80x = 753,057,071.70 × 421,684,168.60
  4. Step 4: Simplify right side
    502,038,047.80x = 317,552,245,188,165,120
  5. Step 5: Solve for x
    x = 317,552,245,188,165,120/502,038,047.80
  6. Step 6: Final answer
    x = 632,526,252.90

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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.