Home / 577,845,807.69-866,758,567.28-400,419,330.96

Finding the Fourth Proportional to 577,845,807.69, 866,758,567.28 and 400,419,330.96

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Solution

The fourth proportional to 577,845,807.69, 866,758,567.28 and 400,419,330.96 is: 600,621,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,845,807.69 : 866,758,567.28 = 400,419,330.96 : x
  2. Step 2: Convert to fraction form
    577,845,807.69/866,758,567.28 = 400,419,330.96/x
  3. Step 3: Cross multiply
    577,845,807.69x = 866,758,567.28 × 400,419,330.96
  4. Step 4: Simplify right side
    577,845,807.69x = 347,066,885,612,103,616
  5. Step 5: Solve for x
    x = 347,066,885,612,103,616/577,845,807.69
  6. Step 6: Final answer
    x = 600,621,966.96

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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.