Home / 431,208,724.80-646,813,087.20-363,184,276.80

Finding the Fourth Proportional to 431,208,724.80, 646,813,087.20 and 363,184,276.80

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Solution

The fourth proportional to 431,208,724.80, 646,813,087.20 and 363,184,276.80 is: 544,776,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,208,724.80 : 646,813,087.20 = 363,184,276.80 : x
  2. Step 2: Convert to fraction form
    431,208,724.80/646,813,087.20 = 363,184,276.80/x
  3. Step 3: Cross multiply
    431,208,724.80x = 646,813,087.20 × 363,184,276.80
  4. Step 4: Simplify right side
    431,208,724.80x = 234,912,343,299,507,360
  5. Step 5: Solve for x
    x = 234,912,343,299,507,360/431,208,724.80
  6. Step 6: Final answer
    x = 544,776,415.20

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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.