Home / 2,989,359,217.80-4,484,038,826.70-2,009,807,166.60

Finding the Fourth Proportional to 2,989,359,217.80, 4,484,038,826.70 and 2,009,807,166.60

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Solution

The fourth proportional to 2,989,359,217.80, 4,484,038,826.70 and 2,009,807,166.60 is: 3,014,710,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,359,217.80 : 4,484,038,826.70 = 2,009,807,166.60 : x
  2. Step 2: Convert to fraction form
    2,989,359,217.80/4,484,038,826.70 = 2,009,807,166.60/x
  3. Step 3: Cross multiply
    2,989,359,217.80x = 4,484,038,826.70 × 2,009,807,166.60
  4. Step 4: Simplify right side
    2,989,359,217.80x = 9,012,053,369,214,314,496
  5. Step 5: Solve for x
    x = 9,012,053,369,214,314,496/2,989,359,217.80
  6. Step 6: Final answer
    x = 3,014,710,749.90

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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.