Home / 397,248,465.48-595,958,465.07-120,921,287.64

Finding the Fourth Proportional to 397,248,465.48, 595,958,465.07 and 120,921,287.64

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Solution

The fourth proportional to 397,248,465.48, 595,958,465.07 and 120,921,287.64 is: 181,408,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,248,465.48 : 595,958,465.07 = 120,921,287.64 : x
  2. Step 2: Convert to fraction form
    397,248,465.48/595,958,465.07 = 120,921,287.64/x
  3. Step 3: Cross multiply
    397,248,465.48x = 595,958,465.07 × 120,921,287.64
  4. Step 4: Simplify right side
    397,248,465.48x = 72,064,064,976,222,368
  5. Step 5: Solve for x
    x = 72,064,064,976,222,368/397,248,465.48
  6. Step 6: Final answer
    x = 181,408,038.64

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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.