Home / 1,218,075,699.91-1,827,183,990.71-344,603,899.03

Finding the Fourth Proportional to 1,218,075,699.91, 1,827,183,990.71 and 344,603,899.03

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Solution

The fourth proportional to 1,218,075,699.91, 1,827,183,990.71 and 344,603,899.03 is: 516,925,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,075,699.91 : 1,827,183,990.71 = 344,603,899.03 : x
  2. Step 2: Convert to fraction form
    1,218,075,699.91/1,827,183,990.71 = 344,603,899.03/x
  3. Step 3: Cross multiply
    1,218,075,699.91x = 1,827,183,990.71 × 344,603,899.03
  4. Step 4: Simplify right side
    1,218,075,699.91x = 629,654,727,442,138,240
  5. Step 5: Solve for x
    x = 629,654,727,442,138,240/1,218,075,699.91
  6. Step 6: Final answer
    x = 516,925,776.85

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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.