Home / 944,784,989.60-1,417,177,484.40-289,837,101.20

Finding the Fourth Proportional to 944,784,989.60, 1,417,177,484.40 and 289,837,101.20

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Solution

The fourth proportional to 944,784,989.60, 1,417,177,484.40 and 289,837,101.20 is: 434,755,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,784,989.60 : 1,417,177,484.40 = 289,837,101.20 : x
  2. Step 2: Convert to fraction form
    944,784,989.60/1,417,177,484.40 = 289,837,101.20/x
  3. Step 3: Cross multiply
    944,784,989.60x = 1,417,177,484.40 × 289,837,101.20
  4. Step 4: Simplify right side
    944,784,989.60x = 410,750,613,964,404,224
  5. Step 5: Solve for x
    x = 410,750,613,964,404,224/944,784,989.60
  6. Step 6: Final answer
    x = 434,755,651.80

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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.