Home / 990,074,598,644.80-1,485,111,897,967.20-283,419,626,708.80

Finding the Fourth Proportional to 990,074,598,644.80, 1,485,111,897,967.20 and 283,419,626,708.80

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Solution

The fourth proportional to 990,074,598,644.80, 1,485,111,897,967.20 and 283,419,626,708.80 is: 425,129,440,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,074,598,644.80 : 1,485,111,897,967.20 = 283,419,626,708.80 : x
  2. Step 2: Convert to fraction form
    990,074,598,644.80/1,485,111,897,967.20 = 283,419,626,708.80/x
  3. Step 3: Cross multiply
    990,074,598,644.80x = 1,485,111,897,967.20 × 283,419,626,708.80
  4. Step 4: Simplify right side
    990,074,598,644.80x = 420,909,859,742,661,272,928,256
  5. Step 5: Solve for x
    x = 420,909,859,742,661,272,928,256/990,074,598,644.80
  6. Step 6: Final answer
    x = 425,129,440,063.20

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Double scale
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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.