Home / 885,773,461.74-1,222,343,694.75-489,287,917.89

Finding the Fourth Proportional to 885,773,461.74, 1,222,343,694.75 and 489,287,917.89

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Solution

The fourth proportional to 885,773,461.74, 1,222,343,694.75 and 489,287,917.89 is: 675,204,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,773,461.74 : 1,222,343,694.75 = 489,287,917.89 : x
  2. Step 2: Convert to fraction form
    885,773,461.74/1,222,343,694.75 = 489,287,917.89/x
  3. Step 3: Cross multiply
    885,773,461.74x = 1,222,343,694.75 × 489,287,917.89
  4. Step 4: Simplify right side
    885,773,461.74x = 598,078,001,350,197,248
  5. Step 5: Solve for x
    x = 598,078,001,350,197,248/885,773,461.74
  6. Step 6: Final answer
    x = 675,204,244.86

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Double scale
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1.5x scale

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.