Home / 420,820,465.03-580,750,176.59-235,181,475.25

Finding the Fourth Proportional to 420,820,465.03, 580,750,176.59 and 235,181,475.25

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Solution

The fourth proportional to 420,820,465.03, 580,750,176.59 and 235,181,475.25 is: 324,560,458.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,820,465.03 : 580,750,176.59 = 235,181,475.25 : x
  2. Step 2: Convert to fraction form
    420,820,465.03/580,750,176.59 = 235,181,475.25/x
  3. Step 3: Cross multiply
    420,820,465.03x = 580,750,176.59 × 235,181,475.25
  4. Step 4: Simplify right side
    420,820,465.03x = 136,581,683,282,134,224
  5. Step 5: Solve for x
    x = 136,581,683,282,134,224/420,820,465.03
  6. Step 6: Final answer
    x = 324,560,458.99

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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.