Home / 648,330,423.76-894,695,795.25-350,972,445.30

Finding the Fourth Proportional to 648,330,423.76, 894,695,795.25 and 350,972,445.30

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Solution

The fourth proportional to 648,330,423.76, 894,695,795.25 and 350,972,445.30 is: 484,341,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,330,423.76 : 894,695,795.25 = 350,972,445.30 : x
  2. Step 2: Convert to fraction form
    648,330,423.76/894,695,795.25 = 350,972,445.30/x
  3. Step 3: Cross multiply
    648,330,423.76x = 894,695,795.25 × 350,972,445.30
  4. Step 4: Simplify right side
    648,330,423.76x = 314,013,571,060,848,064
  5. Step 5: Solve for x
    x = 314,013,571,060,848,064/648,330,423.76
  6. Step 6: Final answer
    x = 484,341,871.91

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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.