Home / 289,983,445.60-434,975,168.40-236,899,285.60

Finding the Fourth Proportional to 289,983,445.60, 434,975,168.40 and 236,899,285.60

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Solution

The fourth proportional to 289,983,445.60, 434,975,168.40 and 236,899,285.60 is: 355,348,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,983,445.60 : 434,975,168.40 = 236,899,285.60 : x
  2. Step 2: Convert to fraction form
    289,983,445.60/434,975,168.40 = 236,899,285.60/x
  3. Step 3: Cross multiply
    289,983,445.60x = 434,975,168.40 × 236,899,285.60
  4. Step 4: Simplify right side
    289,983,445.60x = 103,045,306,647,699,680
  5. Step 5: Solve for x
    x = 103,045,306,647,699,680/289,983,445.60
  6. Step 6: Final answer
    x = 355,348,928.40

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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.