Home / 472,692,659.40-652,424,709.08-277,185,357

Finding the Fourth Proportional to 472,692,659.40, 652,424,709.08 and 277,185,357

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Solution

The fourth proportional to 472,692,659.40, 652,424,709.08 and 277,185,357 is: 382,579,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,692,659.40 : 652,424,709.08 = 277,185,357 : x
  2. Step 2: Convert to fraction form
    472,692,659.40/652,424,709.08 = 277,185,357/x
  3. Step 3: Cross multiply
    472,692,659.40x = 652,424,709.08 × 277,185,357
  4. Step 4: Simplify right side
    472,692,659.40x = 180,842,575,901,960,960
  5. Step 5: Solve for x
    x = 180,842,575,901,960,960/472,692,659.40
  6. Step 6: Final answer
    x = 382,579,615.54

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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.