Home / 5,165,617,500,934.70-7,128,768,718,315.80-2,970,784,434,495.20

Finding the Fourth Proportional to 5,165,617,500,934.70, 7,128,768,718,315.80 and 2,970,784,434,495.20

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Solution

The fourth proportional to 5,165,617,500,934.70, 7,128,768,718,315.80 and 2,970,784,434,495.20 is: 4,099,807,068,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165,617,500,934.70 : 7,128,768,718,315.80 = 2,970,784,434,495.20 : x
  2. Step 2: Convert to fraction form
    5,165,617,500,934.70/7,128,768,718,315.80 = 2,970,784,434,495.20/x
  3. Step 3: Cross multiply
    5,165,617,500,934.70x = 7,128,768,718,315.80 × 2,970,784,434,495.20
  4. Step 4: Simplify right side
    5,165,617,500,934.70x = 21,178,035,145,488,878,018,756,608
  5. Step 5: Solve for x
    x = 21,178,035,145,488,878,018,756,608/5,165,617,500,934.70
  6. Step 6: Final answer
    x = 4,099,807,068,885.14

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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.