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Finding the Fourth Proportional to 626,486,534.60, 939,729,801.90 and 533,771,731.40

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Solution

The fourth proportional to 626,486,534.60, 939,729,801.90 and 533,771,731.40 is: 800,657,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,486,534.60 : 939,729,801.90 = 533,771,731.40 : x
  2. Step 2: Convert to fraction form
    626,486,534.60/939,729,801.90 = 533,771,731.40/x
  3. Step 3: Cross multiply
    626,486,534.60x = 939,729,801.90 × 533,771,731.40
  4. Step 4: Simplify right side
    626,486,534.60x = 501,601,203,408,341,952
  5. Step 5: Solve for x
    x = 501,601,203,408,341,952/626,486,534.60
  6. Step 6: Final answer
    x = 800,657,597.10

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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.