Home / 258,926,128,181.04-388,384,919,337.64-77,409,385,730.50

Finding the Fourth Proportional to 258,926,128,181.04, 388,384,919,337.64 and 77,409,385,730.50

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Solution

The fourth proportional to 258,926,128,181.04, 388,384,919,337.64 and 77,409,385,730.50 is: 116,112,801,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,926,128,181.04 : 388,384,919,337.64 = 77,409,385,730.50 : x
  2. Step 2: Convert to fraction form
    258,926,128,181.04/388,384,919,337.64 = 77,409,385,730.50/x
  3. Step 3: Cross multiply
    258,926,128,181.04x = 388,384,919,337.64 × 77,409,385,730.50
  4. Step 4: Simplify right side
    258,926,128,181.04x = 30,064,638,032,916,504,379,392
  5. Step 5: Solve for x
    x = 30,064,638,032,916,504,379,392/258,926,128,181.04
  6. Step 6: Final answer
    x = 116,112,801,145.72

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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.