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Finding the Fourth Proportional to 605,038,005.60, 907,557,008.40 and 591,601,077.60

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Solution

The fourth proportional to 605,038,005.60, 907,557,008.40 and 591,601,077.60 is: 887,401,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,038,005.60 : 907,557,008.40 = 591,601,077.60 : x
  2. Step 2: Convert to fraction form
    605,038,005.60/907,557,008.40 = 591,601,077.60/x
  3. Step 3: Cross multiply
    605,038,005.60x = 907,557,008.40 × 591,601,077.60
  4. Step 4: Simplify right side
    605,038,005.60x = 536,911,704,152,872,256
  5. Step 5: Solve for x
    x = 536,911,704,152,872,256/605,038,005.60
  6. Step 6: Final answer
    x = 887,401,616.40

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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.