Home / 977,072,425.20-1,465,608,637.80-783,362,180.70

Finding the Fourth Proportional to 977,072,425.20, 1,465,608,637.80 and 783,362,180.70

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Solution

The fourth proportional to 977,072,425.20, 1,465,608,637.80 and 783,362,180.70 is: 1,175,043,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,072,425.20 : 1,465,608,637.80 = 783,362,180.70 : x
  2. Step 2: Convert to fraction form
    977,072,425.20/1,465,608,637.80 = 783,362,180.70/x
  3. Step 3: Cross multiply
    977,072,425.20x = 1,465,608,637.80 × 783,362,180.70
  4. Step 4: Simplify right side
    977,072,425.20x = 1,148,102,378,559,764,480
  5. Step 5: Solve for x
    x = 1,148,102,378,559,764,480/977,072,425.20
  6. Step 6: Final answer
    x = 1,175,043,271.05

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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.