Home / 1,317,729,342.89-1,818,469,946.48-714,899,934.78

Finding the Fourth Proportional to 1,317,729,342.89, 1,818,469,946.48 and 714,899,934.78

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Solution

The fourth proportional to 1,317,729,342.89, 1,818,469,946.48 and 714,899,934.78 is: 986,563,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,729,342.89 : 1,818,469,946.48 = 714,899,934.78 : x
  2. Step 2: Convert to fraction form
    1,317,729,342.89/1,818,469,946.48 = 714,899,934.78/x
  3. Step 3: Cross multiply
    1,317,729,342.89x = 1,818,469,946.48 × 714,899,934.78
  4. Step 4: Simplify right side
    1,317,729,342.89x = 1,300,024,046,147,283,712
  5. Step 5: Solve for x
    x = 1,300,024,046,147,283,712/1,317,729,342.89
  6. Step 6: Final answer
    x = 986,563,783.50

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Double scale
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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.