Home / 1,374,478,005,166.30-1,896,838,435,552.90-765,489,219,476.85

Finding the Fourth Proportional to 1,374,478,005,166.30, 1,896,838,435,552.90 and 765,489,219,476.85

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Solution

The fourth proportional to 1,374,478,005,166.30, 1,896,838,435,552.90 and 765,489,219,476.85 is: 1,056,407,863,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,478,005,166.30 : 1,896,838,435,552.90 = 765,489,219,476.85 : x
  2. Step 2: Convert to fraction form
    1,374,478,005,166.30/1,896,838,435,552.90 = 765,489,219,476.85/x
  3. Step 3: Cross multiply
    1,374,478,005,166.30x = 1,896,838,435,552.90 × 765,489,219,476.85
  4. Step 4: Simplify right side
    1,374,478,005,166.30x = 1,452,009,373,505,078,570,254,336
  5. Step 5: Solve for x
    x = 1,452,009,373,505,078,570,254,336/1,374,478,005,166.30
  6. Step 6: Final answer
    x = 1,056,407,863,965.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.