Home / 1,159,045,123.20-1,738,651,665.60-697,990,531.20

Finding the Fourth Proportional to 1,159,045,123.20, 1,738,651,665.60 and 697,990,531.20

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Solution

The fourth proportional to 1,159,045,123.20, 1,738,651,665.60 and 697,990,531.20 is: 1,047,036,371.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,045,123.20 : 1,738,651,665.60 = 697,990,531.20 : x
  2. Step 2: Convert to fraction form
    1,159,045,123.20/1,738,651,665.60 = 697,990,531.20/x
  3. Step 3: Cross multiply
    1,159,045,123.20x = 1,738,651,665.60 × 697,990,531.20
  4. Step 4: Simplify right side
    1,159,045,123.20x = 1,213,562,399,643,908,864
  5. Step 5: Solve for x
    x = 1,213,562,399,643,908,864/1,159,045,123.20
  6. Step 6: Final answer
    x = 1,047,036,371.02

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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.