Home / 1,009,141,752.60-1,513,996,064.10-491,589,077.40

Finding the Fourth Proportional to 1,009,141,752.60, 1,513,996,064.10 and 491,589,077.40

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Solution

The fourth proportional to 1,009,141,752.60, 1,513,996,064.10 and 491,589,077.40 is: 737,521,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,141,752.60 : 1,513,996,064.10 = 491,589,077.40 : x
  2. Step 2: Convert to fraction form
    1,009,141,752.60/1,513,996,064.10 = 491,589,077.40/x
  3. Step 3: Cross multiply
    1,009,141,752.60x = 1,513,996,064.10 × 491,589,077.40
  4. Step 4: Simplify right side
    1,009,141,752.60x = 744,263,928,338,150,144
  5. Step 5: Solve for x
    x = 744,263,928,338,150,144/1,009,141,752.60
  6. Step 6: Final answer
    x = 737,521,687.53

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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.