Home / 357,696,021.40-536,544,032.10-221,647,125.40

Finding the Fourth Proportional to 357,696,021.40, 536,544,032.10 and 221,647,125.40

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Solution

The fourth proportional to 357,696,021.40, 536,544,032.10 and 221,647,125.40 is: 332,470,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,696,021.40 : 536,544,032.10 = 221,647,125.40 : x
  2. Step 2: Convert to fraction form
    357,696,021.40/536,544,032.10 = 221,647,125.40/x
  3. Step 3: Cross multiply
    357,696,021.40x = 536,544,032.10 × 221,647,125.40
  4. Step 4: Simplify right side
    357,696,021.40x = 118,923,442,365,490,336
  5. Step 5: Solve for x
    x = 118,923,442,365,490,336/357,696,021.40
  6. Step 6: Final answer
    x = 332,470,688.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.