Home / 555,225,554.93-766,211,274.05-307,722,852.41

Finding the Fourth Proportional to 555,225,554.93, 766,211,274.05 and 307,722,852.41

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Solution

The fourth proportional to 555,225,554.93, 766,211,274.05 and 307,722,852.41 is: 424,657,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,225,554.93 : 766,211,274.05 = 307,722,852.41 : x
  2. Step 2: Convert to fraction form
    555,225,554.93/766,211,274.05 = 307,722,852.41/x
  3. Step 3: Cross multiply
    555,225,554.93x = 766,211,274.05 × 307,722,852.41
  4. Step 4: Simplify right side
    555,225,554.93x = 235,780,718,793,996,512
  5. Step 5: Solve for x
    x = 235,780,718,793,996,512/555,225,554.93
  6. Step 6: Final answer
    x = 424,657,540.89

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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.