Home / 610,923,840.60-843,102,662.40-360,038,821.08

Finding the Fourth Proportional to 610,923,840.60, 843,102,662.40 and 360,038,821.08

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Solution

The fourth proportional to 610,923,840.60, 843,102,662.40 and 360,038,821.08 is: 496,869,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,923,840.60 : 843,102,662.40 = 360,038,821.08 : x
  2. Step 2: Convert to fraction form
    610,923,840.60/843,102,662.40 = 360,038,821.08/x
  3. Step 3: Cross multiply
    610,923,840.60x = 843,102,662.40 × 360,038,821.08
  4. Step 4: Simplify right side
    610,923,840.60x = 303,549,688,619,905,216
  5. Step 5: Solve for x
    x = 303,549,688,619,905,216/610,923,840.60
  6. Step 6: Final answer
    x = 496,869,934.43

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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.