Home / 2,201,739,290.40-3,038,400,721.56-1,211,664,707.40

Finding the Fourth Proportional to 2,201,739,290.40, 3,038,400,721.56 and 1,211,664,707.40

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Solution

The fourth proportional to 2,201,739,290.40, 3,038,400,721.56 and 1,211,664,707.40 is: 1,672,097,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,739,290.40 : 3,038,400,721.56 = 1,211,664,707.40 : x
  2. Step 2: Convert to fraction form
    2,201,739,290.40/3,038,400,721.56 = 1,211,664,707.40/x
  3. Step 3: Cross multiply
    2,201,739,290.40x = 3,038,400,721.56 × 1,211,664,707.40
  4. Step 4: Simplify right side
    2,201,739,290.40x = 3,681,522,921,252,946,432
  5. Step 5: Solve for x
    x = 3,681,522,921,252,946,432/2,201,739,290.40
  6. Step 6: Final answer
    x = 1,672,097,571.82

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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.