Home / 377,293,915,876.23-565,742,290,532.04-257,945,371,906.05

Finding the Fourth Proportional to 377,293,915,876.23, 565,742,290,532.04 and 257,945,371,906.05

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Solution

The fourth proportional to 377,293,915,876.23, 565,742,290,532.04 and 257,945,371,906.05 is: 386,782,291,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,293,915,876.23 : 565,742,290,532.04 = 257,945,371,906.05 : x
  2. Step 2: Convert to fraction form
    377,293,915,876.23/565,742,290,532.04 = 257,945,371,906.05/x
  3. Step 3: Cross multiply
    377,293,915,876.23x = 565,742,290,532.04 × 257,945,371,906.05
  4. Step 4: Simplify right side
    377,293,915,876.23x = 145,930,605,534,267,658,207,232
  5. Step 5: Solve for x
    x = 145,930,605,534,267,658,207,232/377,293,915,876.23
  6. Step 6: Final answer
    x = 386,782,291,984.11

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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.