Home / 2,590,142,522.80-3,885,213,784.20-1,763,645,479.60

Finding the Fourth Proportional to 2,590,142,522.80, 3,885,213,784.20 and 1,763,645,479.60

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Solution

The fourth proportional to 2,590,142,522.80, 3,885,213,784.20 and 1,763,645,479.60 is: 2,645,468,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,142,522.80 : 3,885,213,784.20 = 1,763,645,479.60 : x
  2. Step 2: Convert to fraction form
    2,590,142,522.80/3,885,213,784.20 = 1,763,645,479.60/x
  3. Step 3: Cross multiply
    2,590,142,522.80x = 3,885,213,784.20 × 1,763,645,479.60
  4. Step 4: Simplify right side
    2,590,142,522.80x = 6,852,139,727,783,939,072
  5. Step 5: Solve for x
    x = 6,852,139,727,783,939,072/2,590,142,522.80
  6. Step 6: Final answer
    x = 2,645,468,219.40

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Double scale
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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.