Home / 1,208,626,557.40-1,812,939,836.10-1,065,775,216.60

Finding the Fourth Proportional to 1,208,626,557.40, 1,812,939,836.10 and 1,065,775,216.60

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Solution

The fourth proportional to 1,208,626,557.40, 1,812,939,836.10 and 1,065,775,216.60 is: 1,598,662,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,626,557.40 : 1,812,939,836.10 = 1,065,775,216.60 : x
  2. Step 2: Convert to fraction form
    1,208,626,557.40/1,812,939,836.10 = 1,065,775,216.60/x
  3. Step 3: Cross multiply
    1,208,626,557.40x = 1,812,939,836.10 × 1,065,775,216.60
  4. Step 4: Simplify right side
    1,208,626,557.40x = 1,932,186,346,502,245,888
  5. Step 5: Solve for x
    x = 1,932,186,346,502,245,888/1,208,626,557.40
  6. Step 6: Final answer
    x = 1,598,662,824.90

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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.