Home / 746,924,412.96-1,120,440,429.60-286,862,582.88

Finding the Fourth Proportional to 746,924,412.96, 1,120,440,429.60 and 286,862,582.88

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Solution

The fourth proportional to 746,924,412.96, 1,120,440,429.60 and 286,862,582.88 is: 430,314,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,924,412.96 : 1,120,440,429.60 = 286,862,582.88 : x
  2. Step 2: Convert to fraction form
    746,924,412.96/1,120,440,429.60 = 286,862,582.88/x
  3. Step 3: Cross multiply
    746,924,412.96x = 1,120,440,429.60 × 286,862,582.88
  4. Step 4: Simplify right side
    746,924,412.96x = 321,412,435,598,232,768
  5. Step 5: Solve for x
    x = 321,412,435,598,232,768/746,924,412.96
  6. Step 6: Final answer
    x = 430,314,540.56

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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.