Home / 360,354,993.90-497,258,949.84-209,675,527.18

Finding the Fourth Proportional to 360,354,993.90, 497,258,949.84 and 209,675,527.18

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Solution

The fourth proportional to 360,354,993.90, 497,258,949.84 and 209,675,527.18 is: 289,334,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,354,993.90 : 497,258,949.84 = 209,675,527.18 : x
  2. Step 2: Convert to fraction form
    360,354,993.90/497,258,949.84 = 209,675,527.18/x
  3. Step 3: Cross multiply
    360,354,993.90x = 497,258,949.84 × 209,675,527.18
  4. Step 4: Simplify right side
    360,354,993.90x = 104,263,032,452,675,168
  5. Step 5: Solve for x
    x = 104,263,032,452,675,168/360,354,993.90
  6. Step 6: Final answer
    x = 289,334,223.80

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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.