Home / 380,601,955.18-525,204,266.53-211,064,938.46

Finding the Fourth Proportional to 380,601,955.18, 525,204,266.53 and 211,064,938.46

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Solution

The fourth proportional to 380,601,955.18, 525,204,266.53 and 211,064,938.46 is: 291,254,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,601,955.18 : 525,204,266.53 = 211,064,938.46 : x
  2. Step 2: Convert to fraction form
    380,601,955.18/525,204,266.53 = 211,064,938.46/x
  3. Step 3: Cross multiply
    380,601,955.18x = 525,204,266.53 × 211,064,938.46
  4. Step 4: Simplify right side
    380,601,955.18x = 110,852,206,191,513,616
  5. Step 5: Solve for x
    x = 110,852,206,191,513,616/380,601,955.18
  6. Step 6: Final answer
    x = 291,254,957.26

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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.