Home / 670,251,213.60-1,005,376,820.40-185,577,021.60

Finding the Fourth Proportional to 670,251,213.60, 1,005,376,820.40 and 185,577,021.60

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Solution

The fourth proportional to 670,251,213.60, 1,005,376,820.40 and 185,577,021.60 is: 278,365,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,251,213.60 : 1,005,376,820.40 = 185,577,021.60 : x
  2. Step 2: Convert to fraction form
    670,251,213.60/1,005,376,820.40 = 185,577,021.60/x
  3. Step 3: Cross multiply
    670,251,213.60x = 1,005,376,820.40 × 185,577,021.60
  4. Step 4: Simplify right side
    670,251,213.60x = 186,574,835,915,510,112
  5. Step 5: Solve for x
    x = 186,574,835,915,510,112/670,251,213.60
  6. Step 6: Final answer
    x = 278,365,532.40

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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.