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Finding the Fourth Proportional to 1,256,738,291.04, 1,883,813,978.48 and 557,559,700

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Solution

The fourth proportional to 1,256,738,291.04, 1,883,813,978.48 and 557,559,700 is: 835,765,699.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,738,291.04 : 1,883,813,978.48 = 557,559,700 : x
  2. Step 2: Convert to fraction form
    1,256,738,291.04/1,883,813,978.48 = 557,559,700/x
  3. Step 3: Cross multiply
    1,256,738,291.04x = 1,883,813,978.48 × 557,559,700
  4. Step 4: Simplify right side
    1,256,738,291.04x = 1,050,338,756,697,115,264
  5. Step 5: Solve for x
    x = 1,050,338,756,697,115,264/1,256,738,291.04
  6. Step 6: Final answer
    x = 835,765,699.34

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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.