Home / 1,461,470,496.40-2,192,205,744.60-686,629,518.40

Finding the Fourth Proportional to 1,461,470,496.40, 2,192,205,744.60 and 686,629,518.40

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Solution

The fourth proportional to 1,461,470,496.40, 2,192,205,744.60 and 686,629,518.40 is: 1,029,944,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,470,496.40 : 2,192,205,744.60 = 686,629,518.40 : x
  2. Step 2: Convert to fraction form
    1,461,470,496.40/2,192,205,744.60 = 686,629,518.40/x
  3. Step 3: Cross multiply
    1,461,470,496.40x = 2,192,205,744.60 × 686,629,518.40
  4. Step 4: Simplify right side
    1,461,470,496.40x = 1,505,233,174,648,411,392
  5. Step 5: Solve for x
    x = 1,505,233,174,648,411,392/1,461,470,496.40
  6. Step 6: Final answer
    x = 1,029,944,277.60

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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.