Home / 2,136,133,657.12-3,198,459,756.48-1,355,553,116.32

Finding the Fourth Proportional to 2,136,133,657.12, 3,198,459,756.48 and 1,355,553,116.32

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Solution

The fourth proportional to 2,136,133,657.12, 3,198,459,756.48 and 1,355,553,116.32 is: 2,029,686,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,133,657.12 : 3,198,459,756.48 = 1,355,553,116.32 : x
  2. Step 2: Convert to fraction form
    2,136,133,657.12/3,198,459,756.48 = 1,355,553,116.32/x
  3. Step 3: Cross multiply
    2,136,133,657.12x = 3,198,459,756.48 × 1,355,553,116.32
  4. Step 4: Simplify right side
    2,136,133,657.12x = 4,335,682,090,320,571,904
  5. Step 5: Solve for x
    x = 4,335,682,090,320,571,904/2,136,133,657.12
  6. Step 6: Final answer
    x = 2,029,686,707.98

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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.