Home / 382,840,209.36-528,316,801.32-208,999,953.36

Finding the Fourth Proportional to 382,840,209.36, 528,316,801.32 and 208,999,953.36

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Solution

The fourth proportional to 382,840,209.36, 528,316,801.32 and 208,999,953.36 is: 288,418,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,840,209.36 : 528,316,801.32 = 208,999,953.36 : x
  2. Step 2: Convert to fraction form
    382,840,209.36/528,316,801.32 = 208,999,953.36/x
  3. Step 3: Cross multiply
    382,840,209.36x = 528,316,801.32 × 208,999,953.36
  4. Step 4: Simplify right side
    382,840,209.36x = 110,418,186,835,184,400
  5. Step 5: Solve for x
    x = 110,418,186,835,184,400/382,840,209.36
  6. Step 6: Final answer
    x = 288,418,468.43

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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.