Home / 674,734,998.40-1,012,102,497.60-402,413,257.60

Finding the Fourth Proportional to 674,734,998.40, 1,012,102,497.60 and 402,413,257.60

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Solution

The fourth proportional to 674,734,998.40, 1,012,102,497.60 and 402,413,257.60 is: 603,619,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,734,998.40 : 1,012,102,497.60 = 402,413,257.60 : x
  2. Step 2: Convert to fraction form
    674,734,998.40/1,012,102,497.60 = 402,413,257.60/x
  3. Step 3: Cross multiply
    674,734,998.40x = 1,012,102,497.60 × 402,413,257.60
  4. Step 4: Simplify right side
    674,734,998.40x = 407,283,463,084,312,192
  5. Step 5: Solve for x
    x = 407,283,463,084,312,192/674,734,998.40
  6. Step 6: Final answer
    x = 603,619,886.40

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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.