Home / 970,112,728.40-1,455,181,534.20-323,880,472.40

Finding the Fourth Proportional to 970,112,728.40, 1,455,181,534.20 and 323,880,472.40

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Solution

The fourth proportional to 970,112,728.40, 1,455,181,534.20 and 323,880,472.40 is: 485,824,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,112,728.40 : 1,455,181,534.20 = 323,880,472.40 : x
  2. Step 2: Convert to fraction form
    970,112,728.40/1,455,181,534.20 = 323,880,472.40/x
  3. Step 3: Cross multiply
    970,112,728.40x = 1,455,181,534.20 × 323,880,472.40
  4. Step 4: Simplify right side
    970,112,728.40x = 471,304,882,724,452,736
  5. Step 5: Solve for x
    x = 471,304,882,724,452,736/970,112,728.40
  6. Step 6: Final answer
    x = 485,824,862.34

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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.