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Finding the Fourth Proportional to 1,317,879,594.03, 1,818,668,850.71 and 723,174,030.53

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Solution

The fourth proportional to 1,317,879,594.03, 1,818,668,850.71 and 723,174,030.53 is: 997,977,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,879,594.03 : 1,818,668,850.71 = 723,174,030.53 : x
  2. Step 2: Convert to fraction form
    1,317,879,594.03/1,818,668,850.71 = 723,174,030.53/x
  3. Step 3: Cross multiply
    1,317,879,594.03x = 1,818,668,850.71 × 723,174,030.53
  4. Step 4: Simplify right side
    1,317,879,594.03x = 1,315,214,082,968,244,224
  5. Step 5: Solve for x
    x = 1,315,214,082,968,244,224/1,317,879,594.03
  6. Step 6: Final answer
    x = 997,977,424.44

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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.