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Finding the Fourth Proportional to 1,773,866,859.62, 2,447,952,127.39 and 980,966,187.84

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Solution

The fourth proportional to 1,773,866,859.62, 2,447,952,127.39 and 980,966,187.84 is: 1,353,742,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,866,859.62 : 2,447,952,127.39 = 980,966,187.84 : x
  2. Step 2: Convert to fraction form
    1,773,866,859.62/2,447,952,127.39 = 980,966,187.84/x
  3. Step 3: Cross multiply
    1,773,866,859.62x = 2,447,952,127.39 × 980,966,187.84
  4. Step 4: Simplify right side
    1,773,866,859.62x = 2,401,358,266,415,682,048
  5. Step 5: Solve for x
    x = 2,401,358,266,415,682,048/1,773,866,859.62
  6. Step 6: Final answer
    x = 1,353,742,110.57

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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.