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Finding the Fourth Proportional to 860,909,148,009.30, 1,291,363,722,014 and 860,909,148,009.30

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Solution

The fourth proportional to 860,909,148,009.30, 1,291,363,722,014 and 860,909,148,009.30 is: 1,291,363,722,014

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,909,148,009.30 : 1,291,363,722,014 = 860,909,148,009.30 : x
  2. Step 2: Convert to fraction form
    860,909,148,009.30/1,291,363,722,014 = 860,909,148,009.30/x
  3. Step 3: Cross multiply
    860,909,148,009.30x = 1,291,363,722,014 × 860,909,148,009.30
  4. Step 4: Simplify right side
    860,909,148,009.30x = 1,111,746,841,689,191,358,660,608
  5. Step 5: Solve for x
    x = 1,111,746,841,689,191,358,660,608/860,909,148,009.30
  6. Step 6: Final answer
    x = 1,291,363,722,014

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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.