Home / 670,243,857.60-1,005,365,786.40-185,569,665.60

Finding the Fourth Proportional to 670,243,857.60, 1,005,365,786.40 and 185,569,665.60

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Solution

The fourth proportional to 670,243,857.60, 1,005,365,786.40 and 185,569,665.60 is: 278,354,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,243,857.60 : 1,005,365,786.40 = 185,569,665.60 : x
  2. Step 2: Convert to fraction form
    670,243,857.60/1,005,365,786.40 = 185,569,665.60/x
  3. Step 3: Cross multiply
    670,243,857.60x = 1,005,365,786.40 × 185,569,665.60
  4. Step 4: Simplify right side
    670,243,857.60x = 186,565,392,787,929,024
  5. Step 5: Solve for x
    x = 186,565,392,787,929,024/670,243,857.60
  6. Step 6: Final answer
    x = 278,354,498.40

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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.