Home / 867,229,404.98-1,196,742,102.56-490,964,043.90

Finding the Fourth Proportional to 867,229,404.98, 1,196,742,102.56 and 490,964,043.90

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Solution

The fourth proportional to 867,229,404.98, 1,196,742,102.56 and 490,964,043.90 is: 677,510,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,229,404.98 : 1,196,742,102.56 = 490,964,043.90 : x
  2. Step 2: Convert to fraction form
    867,229,404.98/1,196,742,102.56 = 490,964,043.90/x
  3. Step 3: Cross multiply
    867,229,404.98x = 1,196,742,102.56 × 490,964,043.90
  4. Step 4: Simplify right side
    867,229,404.98x = 587,557,342,182,095,744
  5. Step 5: Solve for x
    x = 587,557,342,182,095,744/867,229,404.98
  6. Step 6: Final answer
    x = 677,510,862.54

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1.5x scale

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.