Home / 838,848,020.20-1,258,272,030.30-548,610,375.40

Finding the Fourth Proportional to 838,848,020.20, 1,258,272,030.30 and 548,610,375.40

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Solution

The fourth proportional to 838,848,020.20, 1,258,272,030.30 and 548,610,375.40 is: 822,915,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,848,020.20 : 1,258,272,030.30 = 548,610,375.40 : x
  2. Step 2: Convert to fraction form
    838,848,020.20/1,258,272,030.30 = 548,610,375.40/x
  3. Step 3: Cross multiply
    838,848,020.20x = 1,258,272,030.30 × 548,610,375.40
  4. Step 4: Simplify right side
    838,848,020.20x = 690,301,090,898,203,136
  5. Step 5: Solve for x
    x = 690,301,090,898,203,136/838,848,020.20
  6. Step 6: Final answer
    x = 822,915,563.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.