Home / 353,339,842.72-530,117,931.12-180,938,722.72

Finding the Fourth Proportional to 353,339,842.72, 530,117,931.12 and 180,938,722.72

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Solution

The fourth proportional to 353,339,842.72, 530,117,931.12 and 180,938,722.72 is: 271,463,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,339,842.72 : 530,117,931.12 = 180,938,722.72 : x
  2. Step 2: Convert to fraction form
    353,339,842.72/530,117,931.12 = 180,938,722.72/x
  3. Step 3: Cross multiply
    353,339,842.72x = 530,117,931.12 × 180,938,722.72
  4. Step 4: Simplify right side
    353,339,842.72x = 95,918,861,347,821,744
  5. Step 5: Solve for x
    x = 95,918,861,347,821,744/353,339,842.72
  6. Step 6: Final answer
    x = 271,463,474.40

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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.