Home / 1,091,374,279.20-1,637,075,415.60-364,362,991.20

Finding the Fourth Proportional to 1,091,374,279.20, 1,637,075,415.60 and 364,362,991.20

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Solution

The fourth proportional to 1,091,374,279.20, 1,637,075,415.60 and 364,362,991.20 is: 546,549,159.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,374,279.20 : 1,637,075,415.60 = 364,362,991.20 : x
  2. Step 2: Convert to fraction form
    1,091,374,279.20/1,637,075,415.60 = 364,362,991.20/x
  3. Step 3: Cross multiply
    1,091,374,279.20x = 1,637,075,415.60 × 364,362,991.20
  4. Step 4: Simplify right side
    1,091,374,279.20x = 596,489,695,247,999,104
  5. Step 5: Solve for x
    x = 596,489,695,247,999,104/1,091,374,279.20
  6. Step 6: Final answer
    x = 546,549,159.73

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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.