Home / 769,828,829.60-1,154,743,244.40-624,710,007.20

Finding the Fourth Proportional to 769,828,829.60, 1,154,743,244.40 and 624,710,007.20

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Solution

The fourth proportional to 769,828,829.60, 1,154,743,244.40 and 624,710,007.20 is: 937,065,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,828,829.60 : 1,154,743,244.40 = 624,710,007.20 : x
  2. Step 2: Convert to fraction form
    769,828,829.60/1,154,743,244.40 = 624,710,007.20/x
  3. Step 3: Cross multiply
    769,828,829.60x = 1,154,743,244.40 × 624,710,007.20
  4. Step 4: Simplify right side
    769,828,829.60x = 721,379,660,523,275,520
  5. Step 5: Solve for x
    x = 721,379,660,523,275,520/769,828,829.60
  6. Step 6: Final answer
    x = 937,065,010.80

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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.