Home / 919,397,485.40-1,268,795,326.08-501,736,674.32

Finding the Fourth Proportional to 919,397,485.40, 1,268,795,326.08 and 501,736,674.32

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Solution

The fourth proportional to 919,397,485.40, 1,268,795,326.08 and 501,736,674.32 is: 692,411,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,397,485.40 : 1,268,795,326.08 = 501,736,674.32 : x
  2. Step 2: Convert to fraction form
    919,397,485.40/1,268,795,326.08 = 501,736,674.32/x
  3. Step 3: Cross multiply
    919,397,485.40x = 1,268,795,326.08 × 501,736,674.32
  4. Step 4: Simplify right side
    919,397,485.40x = 636,601,147,300,139,136
  5. Step 5: Solve for x
    x = 636,601,147,300,139,136/919,397,485.40
  6. Step 6: Final answer
    x = 692,411,233.89

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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.