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Finding the Fourth Proportional to 1,256,738,288.04, 1,883,813,973.98 and 557,559,697

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Solution

The fourth proportional to 1,256,738,288.04, 1,883,813,973.98 and 557,559,697 is: 835,765,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,738,288.04 : 1,883,813,973.98 = 557,559,697 : x
  2. Step 2: Convert to fraction form
    1,256,738,288.04/1,883,813,973.98 = 557,559,697/x
  3. Step 3: Cross multiply
    1,256,738,288.04x = 1,883,813,973.98 × 557,559,697
  4. Step 4: Simplify right side
    1,256,738,288.04x = 1,050,338,748,536,654,720
  5. Step 5: Solve for x
    x = 1,050,338,748,536,654,720/1,256,738,288.04
  6. Step 6: Final answer
    x = 835,765,694.84

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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.