Home / 31,912,736,529.30-47,869,104,793.95-9,826,898,874.90

Finding the Fourth Proportional to 31,912,736,529.30, 47,869,104,793.95 and 9,826,898,874.90

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Solution

The fourth proportional to 31,912,736,529.30, 47,869,104,793.95 and 9,826,898,874.90 is: 14,740,348,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912,736,529.30 : 47,869,104,793.95 = 9,826,898,874.90 : x
  2. Step 2: Convert to fraction form
    31,912,736,529.30/47,869,104,793.95 = 9,826,898,874.90/x
  3. Step 3: Cross multiply
    31,912,736,529.30x = 47,869,104,793.95 × 9,826,898,874.90
  4. Step 4: Simplify right side
    31,912,736,529.30x = 470,404,852,042,137,403,392
  5. Step 5: Solve for x
    x = 470,404,852,042,137,403,392/31,912,736,529.30
  6. Step 6: Final answer
    x = 14,740,348,312.35

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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.