Home / 379,152,341.47-523,232,166.07-211,891,394.31

Finding the Fourth Proportional to 379,152,341.47, 523,232,166.07 and 211,891,394.31

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Solution

The fourth proportional to 379,152,341.47, 523,232,166.07 and 211,891,394.31 is: 292,411,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,152,341.47 : 523,232,166.07 = 211,891,394.31 : x
  2. Step 2: Convert to fraction form
    379,152,341.47/523,232,166.07 = 211,891,394.31/x
  3. Step 3: Cross multiply
    379,152,341.47x = 523,232,166.07 × 211,891,394.31
  4. Step 4: Simplify right side
    379,152,341.47x = 110,868,393,213,267,888
  5. Step 5: Solve for x
    x = 110,868,393,213,267,888/379,152,341.47
  6. Step 6: Final answer
    x = 292,411,205.44

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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.