Home / 1,308,924,450.48-1,806,314,484.60-722,213,615.28

Finding the Fourth Proportional to 1,308,924,450.48, 1,806,314,484.60 and 722,213,615.28

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Solution

The fourth proportional to 1,308,924,450.48, 1,806,314,484.60 and 722,213,615.28 is: 996,654,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,924,450.48 : 1,806,314,484.60 = 722,213,615.28 : x
  2. Step 2: Convert to fraction form
    1,308,924,450.48/1,806,314,484.60 = 722,213,615.28/x
  3. Step 3: Cross multiply
    1,308,924,450.48x = 1,806,314,484.60 × 722,213,615.28
  4. Step 4: Simplify right side
    1,308,924,450.48x = 1,304,544,914,255,595,776
  5. Step 5: Solve for x
    x = 1,304,544,914,255,595,776/1,308,924,450.48
  6. Step 6: Final answer
    x = 996,654,095.49

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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.