Home / 1,772,929,807.60-2,659,394,711.40-545,938,826.80

Finding the Fourth Proportional to 1,772,929,807.60, 2,659,394,711.40 and 545,938,826.80

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Solution

The fourth proportional to 1,772,929,807.60, 2,659,394,711.40 and 545,938,826.80 is: 818,908,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,929,807.60 : 2,659,394,711.40 = 545,938,826.80 : x
  2. Step 2: Convert to fraction form
    1,772,929,807.60/2,659,394,711.40 = 545,938,826.80/x
  3. Step 3: Cross multiply
    1,772,929,807.60x = 2,659,394,711.40 × 545,938,826.80
  4. Step 4: Simplify right side
    1,772,929,807.60x = 1,451,866,828,739,840,512
  5. Step 5: Solve for x
    x = 1,451,866,828,739,840,512/1,772,929,807.60
  6. Step 6: Final answer
    x = 818,908,240.20

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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.