Home / 5,819,068,009.20-8,728,602,013.80-1,678,646,607.60

Finding the Fourth Proportional to 5,819,068,009.20, 8,728,602,013.80 and 1,678,646,607.60

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Solution

The fourth proportional to 5,819,068,009.20, 8,728,602,013.80 and 1,678,646,607.60 is: 2,517,969,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819,068,009.20 : 8,728,602,013.80 = 1,678,646,607.60 : x
  2. Step 2: Convert to fraction form
    5,819,068,009.20/8,728,602,013.80 = 1,678,646,607.60/x
  3. Step 3: Cross multiply
    5,819,068,009.20x = 8,728,602,013.80 × 1,678,646,607.60
  4. Step 4: Simplify right side
    5,819,068,009.20x = 14,652,238,159,555,895,296
  5. Step 5: Solve for x
    x = 14,652,238,159,555,895,296/5,819,068,009.20
  6. Step 6: Final answer
    x = 2,517,969,911.40

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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.