Home / 398,628,179.40-597,942,269.10-262,579,283.40

Finding the Fourth Proportional to 398,628,179.40, 597,942,269.10 and 262,579,283.40

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Solution

The fourth proportional to 398,628,179.40, 597,942,269.10 and 262,579,283.40 is: 393,868,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,628,179.40 : 597,942,269.10 = 262,579,283.40 : x
  2. Step 2: Convert to fraction form
    398,628,179.40/597,942,269.10 = 262,579,283.40/x
  3. Step 3: Cross multiply
    398,628,179.40x = 597,942,269.10 × 262,579,283.40
  4. Step 4: Simplify right side
    398,628,179.40x = 157,007,252,534,847,968
  5. Step 5: Solve for x
    x = 157,007,252,534,847,968/398,628,179.40
  6. Step 6: Final answer
    x = 393,868,925.10

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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.