Home / 380,885,557.59-525,627,828.72-213,658,888.14

Finding the Fourth Proportional to 380,885,557.59, 525,627,828.72 and 213,658,888.14

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Solution

The fourth proportional to 380,885,557.59, 525,627,828.72 and 213,658,888.14 is: 294,852,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,885,557.59 : 525,627,828.72 = 213,658,888.14 : x
  2. Step 2: Convert to fraction form
    380,885,557.59/525,627,828.72 = 213,658,888.14/x
  3. Step 3: Cross multiply
    380,885,557.59x = 525,627,828.72 × 213,658,888.14
  4. Step 4: Simplify right side
    380,885,557.59x = 112,305,057,459,757,552
  5. Step 5: Solve for x
    x = 112,305,057,459,757,552/380,885,557.59
  6. Step 6: Final answer
    x = 294,852,496.30

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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.