Home / 345,445,543.08-476,713,692.09-188,812,559.34

Finding the Fourth Proportional to 345,445,543.08, 476,713,692.09 and 188,812,559.34

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Solution

The fourth proportional to 345,445,543.08, 476,713,692.09 and 188,812,559.34 is: 260,560,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,445,543.08 : 476,713,692.09 = 188,812,559.34 : x
  2. Step 2: Convert to fraction form
    345,445,543.08/476,713,692.09 = 188,812,559.34/x
  3. Step 3: Cross multiply
    345,445,543.08x = 476,713,692.09 × 188,812,559.34
  4. Step 4: Simplify right side
    345,445,543.08x = 90,009,532,275,933,616
  5. Step 5: Solve for x
    x = 90,009,532,275,933,616/345,445,543.08
  6. Step 6: Final answer
    x = 260,560,699.30

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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.