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Finding the Fourth Proportional to 293,355,999.60, 440,033,999.40 and 99,273,746.40

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Solution

The fourth proportional to 293,355,999.60, 440,033,999.40 and 99,273,746.40 is: 148,910,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,355,999.60 : 440,033,999.40 = 99,273,746.40 : x
  2. Step 2: Convert to fraction form
    293,355,999.60/440,033,999.40 = 99,273,746.40/x
  3. Step 3: Cross multiply
    293,355,999.60x = 440,033,999.40 × 99,273,746.40
  4. Step 4: Simplify right side
    293,355,999.60x = 43,683,823,663,813,352
  5. Step 5: Solve for x
    x = 43,683,823,663,813,352/293,355,999.60
  6. Step 6: Final answer
    x = 148,910,619.60

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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.