Home / 1,812,592,986,309.40-2,501,365,596,278.60-989,529,943,626.15

Finding the Fourth Proportional to 1,812,592,986,309.40, 2,501,365,596,278.60 and 989,529,943,626.15

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Solution

The fourth proportional to 1,812,592,986,309.40, 2,501,365,596,278.60 and 989,529,943,626.15 is: 1,365,544,375,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,592,986,309.40 : 2,501,365,596,278.60 = 989,529,943,626.15 : x
  2. Step 2: Convert to fraction form
    1,812,592,986,309.40/2,501,365,596,278.60 = 989,529,943,626.15/x
  3. Step 3: Cross multiply
    1,812,592,986,309.40x = 2,501,365,596,278.60 × 989,529,943,626.15
  4. Step 4: Simplify right side
    1,812,592,986,309.40x = 2,475,176,157,473,954,081,013,760
  5. Step 5: Solve for x
    x = 2,475,176,157,473,954,081,013,760/1,812,592,986,309.40
  6. Step 6: Final answer
    x = 1,365,544,375,471.53

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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.