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Finding the Fourth Proportional to 885,222,003.60, 1,326,699,264.60 and 679,731,483.60

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Solution

The fourth proportional to 885,222,003.60, 1,326,699,264.60 and 679,731,483.60 is: 1,018,726,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,222,003.60 : 1,326,699,264.60 = 679,731,483.60 : x
  2. Step 2: Convert to fraction form
    885,222,003.60/1,326,699,264.60 = 679,731,483.60/x
  3. Step 3: Cross multiply
    885,222,003.60x = 1,326,699,264.60 × 679,731,483.60
  4. Step 4: Simplify right side
    885,222,003.60x = 901,799,259,417,586,944
  5. Step 5: Solve for x
    x = 901,799,259,417,586,944/885,222,003.60
  6. Step 6: Final answer
    x = 1,018,726,664.89

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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.