Home / 1,145,678,139,500.80-1,581,037,400,469.30-624,834,817,058.16

Finding the Fourth Proportional to 1,145,678,139,500.80, 1,581,037,400,469.30 and 624,834,817,058.16

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Solution

The fourth proportional to 1,145,678,139,500.80, 1,581,037,400,469.30 and 624,834,817,058.16 is: 862,272,902,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,678,139,500.80 : 1,581,037,400,469.30 = 624,834,817,058.16 : x
  2. Step 2: Convert to fraction form
    1,145,678,139,500.80/1,581,037,400,469.30 = 624,834,817,058.16/x
  3. Step 3: Cross multiply
    1,145,678,139,500.80x = 1,581,037,400,469.30 × 624,834,817,058.16
  4. Step 4: Simplify right side
    1,145,678,139,500.80x = 987,887,214,884,344,028,987,392
  5. Step 5: Solve for x
    x = 987,887,214,884,344,028,987,392/1,145,678,139,500.80
  6. Step 6: Final answer
    x = 862,272,902,679.97

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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.