Home / 850,999,217,086.80-1,174,370,212,447.60-470,813,298,192.72

Finding the Fourth Proportional to 850,999,217,086.80, 1,174,370,212,447.60 and 470,813,298,192.72

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Solution

The fourth proportional to 850,999,217,086.80, 1,174,370,212,447.60 and 470,813,298,192.72 is: 649,717,534,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,999,217,086.80 : 1,174,370,212,447.60 = 470,813,298,192.72 : x
  2. Step 2: Convert to fraction form
    850,999,217,086.80/1,174,370,212,447.60 = 470,813,298,192.72/x
  3. Step 3: Cross multiply
    850,999,217,086.80x = 1,174,370,212,447.60 × 470,813,298,192.72
  4. Step 4: Simplify right side
    850,999,217,086.80x = 552,909,113,021,739,871,240,192
  5. Step 5: Solve for x
    x = 552,909,113,021,739,871,240,192/850,999,217,086.80
  6. Step 6: Final answer
    x = 649,717,534,305.73

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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.