Home / 613,629,054.66-920,443,589.70-147,290,477.48

Finding the Fourth Proportional to 613,629,054.66, 920,443,589.70 and 147,290,477.48

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Solution

The fourth proportional to 613,629,054.66, 920,443,589.70 and 147,290,477.48 is: 220,935,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,629,054.66 : 920,443,589.70 = 147,290,477.48 : x
  2. Step 2: Convert to fraction form
    613,629,054.66/920,443,589.70 = 147,290,477.48/x
  3. Step 3: Cross multiply
    613,629,054.66x = 920,443,589.70 × 147,290,477.48
  4. Step 4: Simplify right side
    613,629,054.66x = 135,572,575,820,318,208
  5. Step 5: Solve for x
    x = 135,572,575,820,318,208/613,629,054.66
  6. Step 6: Final answer
    x = 220,935,718.07

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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.