Home / 8,118,925,145.40-12,179,521,458.90-3,460,762,111.80

Finding the Fourth Proportional to 8,118,925,145.40, 12,179,521,458.90 and 3,460,762,111.80

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Solution

The fourth proportional to 8,118,925,145.40, 12,179,521,458.90 and 3,460,762,111.80 is: 5,191,626,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118,925,145.40 : 12,179,521,458.90 = 3,460,762,111.80 : x
  2. Step 2: Convert to fraction form
    8,118,925,145.40/12,179,521,458.90 = 3,460,762,111.80/x
  3. Step 3: Cross multiply
    8,118,925,145.40x = 12,179,521,458.90 × 3,460,762,111.80
  4. Step 4: Simplify right side
    8,118,925,145.40x = 42,150,426,404,816,183,296
  5. Step 5: Solve for x
    x = 42,150,426,404,816,183,296/8,118,925,145.40
  6. Step 6: Final answer
    x = 5,191,626,434.53

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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.