Home / 2,991,824,139.60-4,487,736,209.40-1,993,140,212.40

Finding the Fourth Proportional to 2,991,824,139.60, 4,487,736,209.40 and 1,993,140,212.40

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Solution

The fourth proportional to 2,991,824,139.60, 4,487,736,209.40 and 1,993,140,212.40 is: 2,989,710,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,824,139.60 : 4,487,736,209.40 = 1,993,140,212.40 : x
  2. Step 2: Convert to fraction form
    2,991,824,139.60/4,487,736,209.40 = 1,993,140,212.40/x
  3. Step 3: Cross multiply
    2,991,824,139.60x = 4,487,736,209.40 × 1,993,140,212.40
  4. Step 4: Simplify right side
    2,991,824,139.60x = 8,944,687,501,598,686,208
  5. Step 5: Solve for x
    x = 8,944,687,501,598,686,208/2,991,824,139.60
  6. Step 6: Final answer
    x = 2,989,710,318.60

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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.