Home / 788,830,690.35-1,180,978,553.93-482,720,674.35

Finding the Fourth Proportional to 788,830,690.35, 1,180,978,553.93 and 482,720,674.35

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Solution

The fourth proportional to 788,830,690.35, 1,180,978,553.93 and 482,720,674.35 is: 722,693,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,830,690.35 : 1,180,978,553.93 = 482,720,674.35 : x
  2. Step 2: Convert to fraction form
    788,830,690.35/1,180,978,553.93 = 482,720,674.35/x
  3. Step 3: Cross multiply
    788,830,690.35x = 1,180,978,553.93 × 482,720,674.35
  4. Step 4: Simplify right side
    788,830,690.35x = 570,082,763,943,563,840
  5. Step 5: Solve for x
    x = 570,082,763,943,563,840/788,830,690.35
  6. Step 6: Final answer
    x = 722,693,438.42

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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.