Home / 684,052,788.42-943,967,558.05-370,780,276.34

Finding the Fourth Proportional to 684,052,788.42, 943,967,558.05 and 370,780,276.34

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Solution

The fourth proportional to 684,052,788.42, 943,967,558.05 and 370,780,276.34 is: 511,663,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,052,788.42 : 943,967,558.05 = 370,780,276.34 : x
  2. Step 2: Convert to fraction form
    684,052,788.42/943,967,558.05 = 370,780,276.34/x
  3. Step 3: Cross multiply
    684,052,788.42x = 943,967,558.05 × 370,780,276.34
  4. Step 4: Simplify right side
    684,052,788.42x = 350,004,552,029,773,952
  5. Step 5: Solve for x
    x = 350,004,552,029,773,952/684,052,788.42
  6. Step 6: Final answer
    x = 511,663,073.31

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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.