Home / 505,315,873.60-757,973,810.40-122,363,425.60

Finding the Fourth Proportional to 505,315,873.60, 757,973,810.40 and 122,363,425.60

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Solution

The fourth proportional to 505,315,873.60, 757,973,810.40 and 122,363,425.60 is: 183,545,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,315,873.60 : 757,973,810.40 = 122,363,425.60 : x
  2. Step 2: Convert to fraction form
    505,315,873.60/757,973,810.40 = 122,363,425.60/x
  3. Step 3: Cross multiply
    505,315,873.60x = 757,973,810.40 × 122,363,425.60
  4. Step 4: Simplify right side
    505,315,873.60x = 92,748,271,955,628,896
  5. Step 5: Solve for x
    x = 92,748,271,955,628,896/505,315,873.60
  6. Step 6: Final answer
    x = 183,545,138.40

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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.