Home / 451,015,760,420.55-622,413,545,465.25-245,262,033,515.40

Finding the Fourth Proportional to 451,015,760,420.55, 622,413,545,465.25 and 245,262,033,515.40

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Solution

The fourth proportional to 451,015,760,420.55, 622,413,545,465.25 and 245,262,033,515.40 is: 338,468,020,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,015,760,420.55 : 622,413,545,465.25 = 245,262,033,515.40 : x
  2. Step 2: Convert to fraction form
    451,015,760,420.55/622,413,545,465.25 = 245,262,033,515.40/x
  3. Step 3: Cross multiply
    451,015,760,420.55x = 622,413,545,465.25 × 245,262,033,515.40
  4. Step 4: Simplify right side
    451,015,760,420.55x = 152,654,411,848,337,089,101,824
  5. Step 5: Solve for x
    x = 152,654,411,848,337,089,101,824/451,015,760,420.55
  6. Step 6: Final answer
    x = 338,468,020,953.40

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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.