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Finding the Fourth Proportional to 995,671,490.40, 1,493,507,235.60 and 897,036,040.80

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Solution

The fourth proportional to 995,671,490.40, 1,493,507,235.60 and 897,036,040.80 is: 1,345,554,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,671,490.40 : 1,493,507,235.60 = 897,036,040.80 : x
  2. Step 2: Convert to fraction form
    995,671,490.40/1,493,507,235.60 = 897,036,040.80/x
  3. Step 3: Cross multiply
    995,671,490.40x = 1,493,507,235.60 × 897,036,040.80
  4. Step 4: Simplify right side
    995,671,490.40x = 1,339,729,817,528,776,704
  5. Step 5: Solve for x
    x = 1,339,729,817,528,776,704/995,671,490.40
  6. Step 6: Final answer
    x = 1,345,554,061.20

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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.