Home / 1,338,704,916.40-2,008,057,374.60-476,750,868.40

Finding the Fourth Proportional to 1,338,704,916.40, 2,008,057,374.60 and 476,750,868.40

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Solution

The fourth proportional to 1,338,704,916.40, 2,008,057,374.60 and 476,750,868.40 is: 715,126,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,704,916.40 : 2,008,057,374.60 = 476,750,868.40 : x
  2. Step 2: Convert to fraction form
    1,338,704,916.40/2,008,057,374.60 = 476,750,868.40/x
  3. Step 3: Cross multiply
    1,338,704,916.40x = 2,008,057,374.60 × 476,750,868.40
  4. Step 4: Simplify right side
    1,338,704,916.40x = 957,343,097,137,574,016
  5. Step 5: Solve for x
    x = 957,343,097,137,574,016/1,338,704,916.40
  6. Step 6: Final answer
    x = 715,126,302.60

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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.