Home / 2,167,040,762.72-2,990,333,691.76-1,201,450,496.80

Finding the Fourth Proportional to 2,167,040,762.72, 2,990,333,691.76 and 1,201,450,496.80

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Solution

The fourth proportional to 2,167,040,762.72, 2,990,333,691.76 and 1,201,450,496.80 is: 1,657,900,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,040,762.72 : 2,990,333,691.76 = 1,201,450,496.80 : x
  2. Step 2: Convert to fraction form
    2,167,040,762.72/2,990,333,691.76 = 1,201,450,496.80/x
  3. Step 3: Cross multiply
    2,167,040,762.72x = 2,990,333,691.76 × 1,201,450,496.80
  4. Step 4: Simplify right side
    2,167,040,762.72x = 3,592,737,899,562,830,336
  5. Step 5: Solve for x
    x = 3,592,737,899,562,830,336/2,167,040,762.72
  6. Step 6: Final answer
    x = 1,657,900,470.25

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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.