Home / 8,957,145,890.40-13,425,865,088.40-3,138,060,271.20

Finding the Fourth Proportional to 8,957,145,890.40, 13,425,865,088.40 and 3,138,060,271.20

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Solution

The fourth proportional to 8,957,145,890.40, 13,425,865,088.40 and 3,138,060,271.20 is: 4,703,638,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957,145,890.40 : 13,425,865,088.40 = 3,138,060,271.20 : x
  2. Step 2: Convert to fraction form
    8,957,145,890.40/13,425,865,088.40 = 3,138,060,271.20/x
  3. Step 3: Cross multiply
    8,957,145,890.40x = 13,425,865,088.40 × 3,138,060,271.20
  4. Step 4: Simplify right side
    8,957,145,890.40x = 42,131,173,840,399,114,240
  5. Step 5: Solve for x
    x = 42,131,173,840,399,114,240/8,957,145,890.40
  6. Step 6: Final answer
    x = 4,703,638,229.85

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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.