Home / 706,628,126.44-975,163,904.34-393,383,513.80

Finding the Fourth Proportional to 706,628,126.44, 975,163,904.34 and 393,383,513.80

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Solution

The fourth proportional to 706,628,126.44, 975,163,904.34 and 393,383,513.80 is: 542,878,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,628,126.44 : 975,163,904.34 = 393,383,513.80 : x
  2. Step 2: Convert to fraction form
    706,628,126.44/975,163,904.34 = 393,383,513.80/x
  3. Step 3: Cross multiply
    706,628,126.44x = 975,163,904.34 × 393,383,513.80
  4. Step 4: Simplify right side
    706,628,126.44x = 383,613,403,220,196,288
  5. Step 5: Solve for x
    x = 383,613,403,220,196,288/706,628,126.44
  6. Step 6: Final answer
    x = 542,878,763.05

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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.