Home / 435,503,999.60-653,255,999.40-395,193,215.60

Finding the Fourth Proportional to 435,503,999.60, 653,255,999.40 and 395,193,215.60

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Solution

The fourth proportional to 435,503,999.60, 653,255,999.40 and 395,193,215.60 is: 592,789,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,503,999.60 : 653,255,999.40 = 395,193,215.60 : x
  2. Step 2: Convert to fraction form
    435,503,999.60/653,255,999.40 = 395,193,215.60/x
  3. Step 3: Cross multiply
    435,503,999.60x = 653,255,999.40 × 395,193,215.60
  4. Step 4: Simplify right side
    435,503,999.60x = 258,162,339,012,877,664
  5. Step 5: Solve for x
    x = 258,162,339,012,877,664/435,503,999.60
  6. Step 6: Final answer
    x = 592,789,823.40

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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.