Home / 470,014,362,852.40-705,159,867,692.92-151,654,589,287.15

Finding the Fourth Proportional to 470,014,362,852.40, 705,159,867,692.92 and 151,654,589,287.15

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Solution

The fourth proportional to 470,014,362,852.40, 705,159,867,692.92 and 151,654,589,287.15 is: 227,526,515,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,014,362,852.40 : 705,159,867,692.92 = 151,654,589,287.15 : x
  2. Step 2: Convert to fraction form
    470,014,362,852.40/705,159,867,692.92 = 151,654,589,287.15/x
  3. Step 3: Cross multiply
    470,014,362,852.40x = 705,159,867,692.92 × 151,654,589,287.15
  4. Step 4: Simplify right side
    470,014,362,852.40x = 106,940,730,116,750,826,274,816
  5. Step 5: Solve for x
    x = 106,940,730,116,750,826,274,816/470,014,362,852.40
  6. Step 6: Final answer
    x = 227,526,515,291.48

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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.