Home / 684,052,786.10-943,967,554.86-370,780,274.03

Finding the Fourth Proportional to 684,052,786.10, 943,967,554.86 and 370,780,274.03

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Solution

The fourth proportional to 684,052,786.10, 943,967,554.86 and 370,780,274.03 is: 511,663,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,786.10 : 943,967,554.86 = 370,780,274.03 : x
  2. Step 2: Convert to fraction form
    684,052,786.10/943,967,554.86 = 370,780,274.03/x
  3. Step 3: Cross multiply
    684,052,786.10x = 943,967,554.86 × 370,780,274.03
  4. Step 4: Simplify right side
    684,052,786.10x = 350,004,548,663,090,432
  5. Step 5: Solve for x
    x = 350,004,548,663,090,432/684,052,786.10
  6. Step 6: Final answer
    x = 511,663,070.12

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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.