Home / 535,636,435.20-803,255,587.20-212,453,433.60

Finding the Fourth Proportional to 535,636,435.20, 803,255,587.20 and 212,453,433.60

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Solution

The fourth proportional to 535,636,435.20, 803,255,587.20 and 212,453,433.60 is: 318,601,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,636,435.20 : 803,255,587.20 = 212,453,433.60 : x
  2. Step 2: Convert to fraction form
    535,636,435.20/803,255,587.20 = 212,453,433.60/x
  3. Step 3: Cross multiply
    535,636,435.20x = 803,255,587.20 × 212,453,433.60
  4. Step 4: Simplify right side
    535,636,435.20x = 170,654,407,559,024,224
  5. Step 5: Solve for x
    x = 170,654,407,559,024,224/535,636,435.20
  6. Step 6: Final answer
    x = 318,601,193.54

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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.