Home / 382,840,211.36-528,316,804.08-208,999,955.36

Finding the Fourth Proportional to 382,840,211.36, 528,316,804.08 and 208,999,955.36

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Solution

The fourth proportional to 382,840,211.36, 528,316,804.08 and 208,999,955.36 is: 288,418,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,840,211.36 : 528,316,804.08 = 208,999,955.36 : x
  2. Step 2: Convert to fraction form
    382,840,211.36/528,316,804.08 = 208,999,955.36/x
  3. Step 3: Cross multiply
    382,840,211.36x = 528,316,804.08 × 208,999,955.36
  4. Step 4: Simplify right side
    382,840,211.36x = 110,418,188,468,657,872
  5. Step 5: Solve for x
    x = 110,418,188,468,657,872/382,840,211.36
  6. Step 6: Final answer
    x = 288,418,471.19

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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.