Home / 322,019,717,332.80-483,029,575,999.20-86,491,868,577.60

Finding the Fourth Proportional to 322,019,717,332.80, 483,029,575,999.20 and 86,491,868,577.60

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Solution

The fourth proportional to 322,019,717,332.80, 483,029,575,999.20 and 86,491,868,577.60 is: 129,737,802,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,019,717,332.80 : 483,029,575,999.20 = 86,491,868,577.60 : x
  2. Step 2: Convert to fraction form
    322,019,717,332.80/483,029,575,999.20 = 86,491,868,577.60/x
  3. Step 3: Cross multiply
    322,019,717,332.80x = 483,029,575,999.20 × 86,491,868,577.60
  4. Step 4: Simplify right side
    322,019,717,332.80x = 41,778,130,606,416,661,053,440
  5. Step 5: Solve for x
    x = 41,778,130,606,416,661,053,440/322,019,717,332.80
  6. Step 6: Final answer
    x = 129,737,802,866.40

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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.