Home / 1,038,044,246.60-1,432,346,961.21-630,462,857.16

Finding the Fourth Proportional to 1,038,044,246.60, 1,432,346,961.21 and 630,462,857.16

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Solution

The fourth proportional to 1,038,044,246.60, 1,432,346,961.21 and 630,462,857.16 is: 869,945,149.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,044,246.60 : 1,432,346,961.21 = 630,462,857.16 : x
  2. Step 2: Convert to fraction form
    1,038,044,246.60/1,432,346,961.21 = 630,462,857.16/x
  3. Step 3: Cross multiply
    1,038,044,246.60x = 1,432,346,961.21 × 630,462,857.16
  4. Step 4: Simplify right side
    1,038,044,246.60x = 903,041,557,615,469,568
  5. Step 5: Solve for x
    x = 903,041,557,615,469,568/1,038,044,246.60
  6. Step 6: Final answer
    x = 869,945,149.81

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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.