Home / 698,281,258.40-1,046,236,601.04-421,350,601

Finding the Fourth Proportional to 698,281,258.40, 1,046,236,601.04 and 421,350,601

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Solution

The fourth proportional to 698,281,258.40, 1,046,236,601.04 and 421,350,601 is: 631,310,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,281,258.40 : 1,046,236,601.04 = 421,350,601 : x
  2. Step 2: Convert to fraction form
    698,281,258.40/1,046,236,601.04 = 421,350,601/x
  3. Step 3: Cross multiply
    698,281,258.40x = 1,046,236,601.04 × 421,350,601
  4. Step 4: Simplify right side
    698,281,258.40x = 440,832,420,636,401,216
  5. Step 5: Solve for x
    x = 440,832,420,636,401,216/698,281,258.40
  6. Step 6: Final answer
    x = 631,310,686.54

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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.