Home / 684,052,790.29-943,967,560.63-370,780,278.22

Finding the Fourth Proportional to 684,052,790.29, 943,967,560.63 and 370,780,278.22

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Solution

The fourth proportional to 684,052,790.29, 943,967,560.63 and 370,780,278.22 is: 511,663,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,790.29 : 943,967,560.63 = 370,780,278.22 : x
  2. Step 2: Convert to fraction form
    684,052,790.29/943,967,560.63 = 370,780,278.22/x
  3. Step 3: Cross multiply
    684,052,790.29x = 943,967,560.63 × 370,780,278.22
  4. Step 4: Simplify right side
    684,052,790.29x = 350,004,554,761,046,144
  5. Step 5: Solve for x
    x = 350,004,554,761,046,144/684,052,790.29
  6. Step 6: Final answer
    x = 511,663,075.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.