Home / 856,111,268.98-1,181,439,597.81-464,970,692.98

Finding the Fourth Proportional to 856,111,268.98, 1,181,439,597.81 and 464,970,692.98

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Solution

The fourth proportional to 856,111,268.98, 1,181,439,597.81 and 464,970,692.98 is: 641,662,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,111,268.98 : 1,181,439,597.81 = 464,970,692.98 : x
  2. Step 2: Convert to fraction form
    856,111,268.98/1,181,439,597.81 = 464,970,692.98/x
  3. Step 3: Cross multiply
    856,111,268.98x = 1,181,439,597.81 × 464,970,692.98
  4. Step 4: Simplify right side
    856,111,268.98x = 549,334,788,507,728,192
  5. Step 5: Solve for x
    x = 549,334,788,507,728,192/856,111,268.98
  6. Step 6: Final answer
    x = 641,662,840.35

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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.