Home / 841,456,873.96-1,161,255,342.18-470,187,917.80

Finding the Fourth Proportional to 841,456,873.96, 1,161,255,342.18 and 470,187,917.80

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Solution

The fourth proportional to 841,456,873.96, 1,161,255,342.18 and 470,187,917.80 is: 648,884,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,456,873.96 : 1,161,255,342.18 = 470,187,917.80 : x
  2. Step 2: Convert to fraction form
    841,456,873.96/1,161,255,342.18 = 470,187,917.80/x
  3. Step 3: Cross multiply
    841,456,873.96x = 1,161,255,342.18 × 470,187,917.80
  4. Step 4: Simplify right side
    841,456,873.96x = 546,008,231,373,740,736
  5. Step 5: Solve for x
    x = 546,008,231,373,740,736/841,456,873.96
  6. Step 6: Final answer
    x = 648,884,391.19

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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.