Home / 18,640,355,999.60-27,960,533,999.40-17,044,048,953.20

Finding the Fourth Proportional to 18,640,355,999.60, 27,960,533,999.40 and 17,044,048,953.20

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Solution

The fourth proportional to 18,640,355,999.60, 27,960,533,999.40 and 17,044,048,953.20 is: 25,566,073,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640,355,999.60 : 27,960,533,999.40 = 17,044,048,953.20 : x
  2. Step 2: Convert to fraction form
    18,640,355,999.60/27,960,533,999.40 = 17,044,048,953.20/x
  3. Step 3: Cross multiply
    18,640,355,999.60x = 27,960,533,999.40 × 17,044,048,953.20
  4. Step 4: Simplify right side
    18,640,355,999.60x = 476,560,710,243,386,654,720
  5. Step 5: Solve for x
    x = 476,560,710,243,386,654,720/18,640,355,999.60
  6. Step 6: Final answer
    x = 25,566,073,429.80

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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.