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Finding the Fourth Proportional to 877,241,335.60, 1,315,862,003.40 and 739,491,828.40

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Solution

The fourth proportional to 877,241,335.60, 1,315,862,003.40 and 739,491,828.40 is: 1,109,237,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,241,335.60 : 1,315,862,003.40 = 739,491,828.40 : x
  2. Step 2: Convert to fraction form
    877,241,335.60/1,315,862,003.40 = 739,491,828.40/x
  3. Step 3: Cross multiply
    877,241,335.60x = 1,315,862,003.40 × 739,491,828.40
  4. Step 4: Simplify right side
    877,241,335.60x = 973,069,198,816,353,024
  5. Step 5: Solve for x
    x = 973,069,198,816,353,024/877,241,335.60
  6. Step 6: Final answer
    x = 1,109,237,742.60

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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.