Home / 403,579,332.96-605,369,007.45-96,871,445.88

Finding the Fourth Proportional to 403,579,332.96, 605,369,007.45 and 96,871,445.88

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Solution

The fourth proportional to 403,579,332.96, 605,369,007.45 and 96,871,445.88 is: 145,307,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,579,332.96 : 605,369,007.45 = 96,871,445.88 : x
  2. Step 2: Convert to fraction form
    403,579,332.96/605,369,007.45 = 96,871,445.88/x
  3. Step 3: Cross multiply
    403,579,332.96x = 605,369,007.45 × 96,871,445.88
  4. Step 4: Simplify right side
    403,579,332.96x = 58,642,971,042,621,992
  5. Step 5: Solve for x
    x = 58,642,971,042,621,992/403,579,332.96
  6. Step 6: Final answer
    x = 145,307,170.74

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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.