Home / 326,446,022.60-489,031,304.70-196,668,130.40

Finding the Fourth Proportional to 326,446,022.60, 489,031,304.70 and 196,668,130.40

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Solution

The fourth proportional to 326,446,022.60, 489,031,304.70 and 196,668,130.40 is: 294,617,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,446,022.60 : 489,031,304.70 = 196,668,130.40 : x
  2. Step 2: Convert to fraction form
    326,446,022.60/489,031,304.70 = 196,668,130.40/x
  3. Step 3: Cross multiply
    326,446,022.60x = 489,031,304.70 × 196,668,130.40
  4. Step 4: Simplify right side
    326,446,022.60x = 96,176,872,402,421,728
  5. Step 5: Solve for x
    x = 96,176,872,402,421,728/326,446,022.60
  6. Step 6: Final answer
    x = 294,617,994.23

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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.