Home / 856,800,214,887.48-1,283,788,165,201-497,643,987,662.45

Finding the Fourth Proportional to 856,800,214,887.48, 1,283,788,165,201 and 497,643,987,662.45

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Solution

The fourth proportional to 856,800,214,887.48, 1,283,788,165,201 and 497,643,987,662.45 is: 745,645,776,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,800,214,887.48 : 1,283,788,165,201 = 497,643,987,662.45 : x
  2. Step 2: Convert to fraction form
    856,800,214,887.48/1,283,788,165,201 = 497,643,987,662.45/x
  3. Step 3: Cross multiply
    856,800,214,887.48x = 1,283,788,165,201 × 497,643,987,662.45
  4. Step 4: Simplify right side
    856,800,214,887.48x = 638,869,461,844,485,820,383,232
  5. Step 5: Solve for x
    x = 638,869,461,844,485,820,383,232/856,800,214,887.48
  6. Step 6: Final answer
    x = 745,645,776,861.05

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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.