Home / 648,010,378.35-894,255,876.56-350,655,811.29

Finding the Fourth Proportional to 648,010,378.35, 894,255,876.56 and 350,655,811.29

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Solution

The fourth proportional to 648,010,378.35, 894,255,876.56 and 350,655,811.29 is: 483,905,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,010,378.35 : 894,255,876.56 = 350,655,811.29 : x
  2. Step 2: Convert to fraction form
    648,010,378.35/894,255,876.56 = 350,655,811.29/x
  3. Step 3: Cross multiply
    648,010,378.35x = 894,255,876.56 × 350,655,811.29
  4. Step 4: Simplify right side
    648,010,378.35x = 313,576,019,894,906,368
  5. Step 5: Solve for x
    x = 313,576,019,894,906,368/648,010,378.35
  6. Step 6: Final answer
    x = 483,905,860.72

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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.