Home / 718,167,258.36-1,075,691,917.40-440,977,080.60

Finding the Fourth Proportional to 718,167,258.36, 1,075,691,917.40 and 440,977,080.60

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Solution

The fourth proportional to 718,167,258.36, 1,075,691,917.40 and 440,977,080.60 is: 660,508,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,167,258.36 : 1,075,691,917.40 = 440,977,080.60 : x
  2. Step 2: Convert to fraction form
    718,167,258.36/1,075,691,917.40 = 440,977,080.60/x
  3. Step 3: Cross multiply
    718,167,258.36x = 1,075,691,917.40 × 440,977,080.60
  4. Step 4: Simplify right side
    718,167,258.36x = 474,355,481,357,863,488
  5. Step 5: Solve for x
    x = 474,355,481,357,863,488/718,167,258.36
  6. Step 6: Final answer
    x = 660,508,364.64

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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.