Home / 319,524,809,670.54-440,944,475,070.69-173,038,408,189.38

Finding the Fourth Proportional to 319,524,809,670.54, 440,944,475,070.69 and 173,038,408,189.38

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Solution

The fourth proportional to 319,524,809,670.54, 440,944,475,070.69 and 173,038,408,189.38 is: 238,793,132,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,524,809,670.54 : 440,944,475,070.69 = 173,038,408,189.38 : x
  2. Step 2: Convert to fraction form
    319,524,809,670.54/440,944,475,070.69 = 173,038,408,189.38/x
  3. Step 3: Cross multiply
    319,524,809,670.54x = 440,944,475,070.69 × 173,038,408,189.38
  4. Step 4: Simplify right side
    319,524,809,670.54x = 76,300,330,066,133,947,252,736
  5. Step 5: Solve for x
    x = 76,300,330,066,133,947,252,736/319,524,809,670.54
  6. Step 6: Final answer
    x = 238,793,132,041.32

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1.5x scale

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.