Home / 13,689,679,309,921-18,892,210,511,559-7,523,887,393,091.40

Finding the Fourth Proportional to 13,689,679,309,921, 18,892,210,511,559 and 7,523,887,393,091.40

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Solution

The fourth proportional to 13,689,679,309,921, 18,892,210,511,559 and 7,523,887,393,091.40 is: 10,383,213,607,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,679,309,921 : 18,892,210,511,559 = 7,523,887,393,091.40 : x
  2. Step 2: Convert to fraction form
    13,689,679,309,921/18,892,210,511,559 = 7,523,887,393,091.40/x
  3. Step 3: Cross multiply
    13,689,679,309,921x = 18,892,210,511,559 × 7,523,887,393,091.40
  4. Step 4: Simplify right side
    13,689,679,309,921x = 142,142,864,495,547,598,262,763,520
  5. Step 5: Solve for x
    x = 142,142,864,495,547,598,262,763,520/13,689,679,309,921
  6. Step 6: Final answer
    x = 10,383,213,607,680.04

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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.