Home / 505,776,122,983.68-758,708,778,563.04-142,745,022,160.32

Finding the Fourth Proportional to 505,776,122,983.68, 758,708,778,563.04 and 142,745,022,160.32

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Solution

The fourth proportional to 505,776,122,983.68, 758,708,778,563.04 and 142,745,022,160.32 is: 214,130,119,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,776,122,983.68 : 758,708,778,563.04 = 142,745,022,160.32 : x
  2. Step 2: Convert to fraction form
    505,776,122,983.68/758,708,778,563.04 = 142,745,022,160.32/x
  3. Step 3: Cross multiply
    505,776,122,983.68x = 758,708,778,563.04 × 142,745,022,160.32
  4. Step 4: Simplify right side
    505,776,122,983.68x = 108,301,901,409,210,479,935,488
  5. Step 5: Solve for x
    x = 108,301,901,409,210,479,935,488/505,776,122,983.68
  6. Step 6: Final answer
    x = 214,130,119,014.55

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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.