Home / 355,038,461.04-489,953,740.04-198,405,568.20

Finding the Fourth Proportional to 355,038,461.04, 489,953,740.04 and 198,405,568.20

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Solution

The fourth proportional to 355,038,461.04, 489,953,740.04 and 198,405,568.20 is: 273,800,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,038,461.04 : 489,953,740.04 = 198,405,568.20 : x
  2. Step 2: Convert to fraction form
    355,038,461.04/489,953,740.04 = 198,405,568.20/x
  3. Step 3: Cross multiply
    355,038,461.04x = 489,953,740.04 × 198,405,568.20
  4. Step 4: Simplify right side
    355,038,461.04x = 97,209,550,184,351,296
  5. Step 5: Solve for x
    x = 97,209,550,184,351,296/355,038,461.04
  6. Step 6: Final answer
    x = 273,800,055.07

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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.