Home / 945,316,996.80-1,419,435,309.60-515,335,300.80

Finding the Fourth Proportional to 945,316,996.80, 1,419,435,309.60 and 515,335,300.80

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Solution

The fourth proportional to 945,316,996.80, 1,419,435,309.60 and 515,335,300.80 is: 773,798,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,316,996.80 : 1,419,435,309.60 = 515,335,300.80 : x
  2. Step 2: Convert to fraction form
    945,316,996.80/1,419,435,309.60 = 515,335,300.80/x
  3. Step 3: Cross multiply
    945,316,996.80x = 1,419,435,309.60 × 515,335,300.80
  4. Step 4: Simplify right side
    945,316,996.80x = 731,485,122,238,857,088
  5. Step 5: Solve for x
    x = 731,485,122,238,857,088/945,316,996.80
  6. Step 6: Final answer
    x = 773,798,762.44

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1.5x scale

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.