Home / 1,040,250,827.12-1,560,210,140.71-303,148,315.27

Finding the Fourth Proportional to 1,040,250,827.12, 1,560,210,140.71 and 303,148,315.27

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Solution

The fourth proportional to 1,040,250,827.12, 1,560,210,140.71 and 303,148,315.27 is: 454,674,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,250,827.12 : 1,560,210,140.71 = 303,148,315.27 : x
  2. Step 2: Convert to fraction form
    1,040,250,827.12/1,560,210,140.71 = 303,148,315.27/x
  3. Step 3: Cross multiply
    1,040,250,827.12x = 1,560,210,140.71 × 303,148,315.27
  4. Step 4: Simplify right side
    1,040,250,827.12x = 472,975,075,623,406,144
  5. Step 5: Solve for x
    x = 472,975,075,623,406,144/1,040,250,827.12
  6. Step 6: Final answer
    x = 454,674,068.30

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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.