Home / 780,281,374.70-1,169,602,753.52-262,532,066.33

Finding the Fourth Proportional to 780,281,374.70, 1,169,602,753.52 and 262,532,066.33

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Solution

The fourth proportional to 780,281,374.70, 1,169,602,753.52 and 262,532,066.33 is: 393,522,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,281,374.70 : 1,169,602,753.52 = 262,532,066.33 : x
  2. Step 2: Convert to fraction form
    780,281,374.70/1,169,602,753.52 = 262,532,066.33/x
  3. Step 3: Cross multiply
    780,281,374.70x = 1,169,602,753.52 × 262,532,066.33
  4. Step 4: Simplify right side
    780,281,374.70x = 307,058,227,659,702,592
  5. Step 5: Solve for x
    x = 307,058,227,659,702,592/780,281,374.70
  6. Step 6: Final answer
    x = 393,522,436.42

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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.