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Finding the Fourth Proportional to 533,873,181.60, 800,809,772.40 and 429,960,938.40

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Solution

The fourth proportional to 533,873,181.60, 800,809,772.40 and 429,960,938.40 is: 644,941,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,873,181.60 : 800,809,772.40 = 429,960,938.40 : x
  2. Step 2: Convert to fraction form
    533,873,181.60/800,809,772.40 = 429,960,938.40/x
  3. Step 3: Cross multiply
    533,873,181.60x = 800,809,772.40 × 429,960,938.40
  4. Step 4: Simplify right side
    533,873,181.60x = 344,316,921,220,994,368
  5. Step 5: Solve for x
    x = 344,316,921,220,994,368/533,873,181.60
  6. Step 6: Final answer
    x = 644,941,407.60

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1.5x scale

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.