Home / 5,165,617,500,897-7,128,768,718,264.20-2,970,784,434,457.60

Finding the Fourth Proportional to 5,165,617,500,897, 7,128,768,718,264.20 and 2,970,784,434,457.60

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Solution

The fourth proportional to 5,165,617,500,897, 7,128,768,718,264.20 and 2,970,784,434,457.60 is: 4,099,807,068,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165,617,500,897 : 7,128,768,718,264.20 = 2,970,784,434,457.60 : x
  2. Step 2: Convert to fraction form
    5,165,617,500,897/7,128,768,718,264.20 = 2,970,784,434,457.60/x
  3. Step 3: Cross multiply
    5,165,617,500,897x = 7,128,768,718,264.20 × 2,970,784,434,457.60
  4. Step 4: Simplify right side
    5,165,617,500,897x = 21,178,035,145,067,541,727,019,008
  5. Step 5: Solve for x
    x = 21,178,035,145,067,541,727,019,008/5,165,617,500,897
  6. Step 6: Final answer
    x = 4,099,807,068,833.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.