Home / 1,146,170,277.60-1,719,255,416.40-491,009,812.80

Finding the Fourth Proportional to 1,146,170,277.60, 1,719,255,416.40 and 491,009,812.80

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Solution

The fourth proportional to 1,146,170,277.60, 1,719,255,416.40 and 491,009,812.80 is: 736,514,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,170,277.60 : 1,719,255,416.40 = 491,009,812.80 : x
  2. Step 2: Convert to fraction form
    1,146,170,277.60/1,719,255,416.40 = 491,009,812.80/x
  3. Step 3: Cross multiply
    1,146,170,277.60x = 1,719,255,416.40 × 491,009,812.80
  4. Step 4: Simplify right side
    1,146,170,277.60x = 844,171,280,161,950,080
  5. Step 5: Solve for x
    x = 844,171,280,161,950,080/1,146,170,277.60
  6. Step 6: Final answer
    x = 736,514,719.20

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1.5x scale

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.