Home / 872,894,030.34-1,309,513,534.11-320,201,590.44

Finding the Fourth Proportional to 872,894,030.34, 1,309,513,534.11 and 320,201,590.44

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Solution

The fourth proportional to 872,894,030.34, 1,309,513,534.11 and 320,201,590.44 is: 480,365,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,894,030.34 : 1,309,513,534.11 = 320,201,590.44 : x
  2. Step 2: Convert to fraction form
    872,894,030.34/1,309,513,534.11 = 320,201,590.44/x
  3. Step 3: Cross multiply
    872,894,030.34x = 1,309,513,534.11 × 320,201,590.44
  4. Step 4: Simplify right side
    872,894,030.34x = 419,308,316,324,727,168
  5. Step 5: Solve for x
    x = 419,308,316,324,727,168/872,894,030.34
  6. Step 6: Final answer
    x = 480,365,659.23

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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.