Home / 674,735,116.40-1,012,102,674.60-402,413,375.60

Finding the Fourth Proportional to 674,735,116.40, 1,012,102,674.60 and 402,413,375.60

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Solution

The fourth proportional to 674,735,116.40, 1,012,102,674.60 and 402,413,375.60 is: 603,620,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,735,116.40 : 1,012,102,674.60 = 402,413,375.60 : x
  2. Step 2: Convert to fraction form
    674,735,116.40/1,012,102,674.60 = 402,413,375.60/x
  3. Step 3: Cross multiply
    674,735,116.40x = 1,012,102,674.60 × 402,413,375.60
  4. Step 4: Simplify right side
    674,735,116.40x = 407,283,653,739,574,400
  5. Step 5: Solve for x
    x = 407,283,653,739,574,400/674,735,116.40
  6. Step 6: Final answer
    x = 603,620,063.40

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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.