Home / 1,158,624,000.20-1,737,936,000.30-285,218,431.40

Finding the Fourth Proportional to 1,158,624,000.20, 1,737,936,000.30 and 285,218,431.40

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Solution

The fourth proportional to 1,158,624,000.20, 1,737,936,000.30 and 285,218,431.40 is: 427,827,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,624,000.20 : 1,737,936,000.30 = 285,218,431.40 : x
  2. Step 2: Convert to fraction form
    1,158,624,000.20/1,737,936,000.30 = 285,218,431.40/x
  3. Step 3: Cross multiply
    1,158,624,000.20x = 1,737,936,000.30 × 285,218,431.40
  4. Step 4: Simplify right side
    1,158,624,000.20x = 495,691,379,879,155,904
  5. Step 5: Solve for x
    x = 495,691,379,879,155,904/1,158,624,000.20
  6. Step 6: Final answer
    x = 427,827,647.10

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1.5x scale

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.