Home / 1,798,359,995.45-2,697,724,983.31-678,826,656.41

Finding the Fourth Proportional to 1,798,359,995.45, 2,697,724,983.31 and 678,826,656.41

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Solution

The fourth proportional to 1,798,359,995.45, 2,697,724,983.31 and 678,826,656.41 is: 1,018,309,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,359,995.45 : 2,697,724,983.31 = 678,826,656.41 : x
  2. Step 2: Convert to fraction form
    1,798,359,995.45/2,697,724,983.31 = 678,826,656.41/x
  3. Step 3: Cross multiply
    1,798,359,995.45x = 2,697,724,983.31 × 678,826,656.41
  4. Step 4: Simplify right side
    1,798,359,995.45x = 1,831,287,630,318,864,384
  5. Step 5: Solve for x
    x = 1,831,287,630,318,864,384/1,798,359,995.45
  6. Step 6: Final answer
    x = 1,018,309,812.80

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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.