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Finding the Fourth Proportional to 1,773,668,970.72, 2,447,558,012.61 and 980,652,710.52

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Solution

The fourth proportional to 1,773,668,970.72, 2,447,558,012.61 and 980,652,710.52 is: 1,353,242,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,668,970.72 : 2,447,558,012.61 = 980,652,710.52 : x
  2. Step 2: Convert to fraction form
    1,773,668,970.72/2,447,558,012.61 = 980,652,710.52/x
  3. Step 3: Cross multiply
    1,773,668,970.72x = 2,447,558,012.61 × 980,652,710.52
  4. Step 4: Simplify right side
    1,773,668,970.72x = 2,400,204,399,220,940,800
  5. Step 5: Solve for x
    x = 2,400,204,399,220,940,800/1,773,668,970.72
  6. Step 6: Final answer
    x = 1,353,242,594.22

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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.