Home / 277,483,970.40-382,896,982.36-153,693,646.80

Finding the Fourth Proportional to 277,483,970.40, 382,896,982.36 and 153,693,646.80

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Solution

The fourth proportional to 277,483,970.40, 382,896,982.36 and 153,693,646.80 is: 212,080,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,483,970.40 : 382,896,982.36 = 153,693,646.80 : x
  2. Step 2: Convert to fraction form
    277,483,970.40/382,896,982.36 = 153,693,646.80/x
  3. Step 3: Cross multiply
    277,483,970.40x = 382,896,982.36 × 153,693,646.80
  4. Step 4: Simplify right side
    277,483,970.40x = 58,848,833,567,623,680
  5. Step 5: Solve for x
    x = 58,848,833,567,623,680/277,483,970.40
  6. Step 6: Final answer
    x = 212,080,119.38

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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.