Home / 539,795,128.40-809,692,692.60-335,721,784.40

Finding the Fourth Proportional to 539,795,128.40, 809,692,692.60 and 335,721,784.40

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Solution

The fourth proportional to 539,795,128.40, 809,692,692.60 and 335,721,784.40 is: 503,582,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,795,128.40 : 809,692,692.60 = 335,721,784.40 : x
  2. Step 2: Convert to fraction form
    539,795,128.40/809,692,692.60 = 335,721,784.40/x
  3. Step 3: Cross multiply
    539,795,128.40x = 809,692,692.60 × 335,721,784.40
  4. Step 4: Simplify right side
    539,795,128.40x = 271,831,475,575,312,672
  5. Step 5: Solve for x
    x = 271,831,475,575,312,672/539,795,128.40
  6. Step 6: Final answer
    x = 503,582,676.60

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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.