Home / 485,106,051.60-727,659,077.40-194,018,101.20

Finding the Fourth Proportional to 485,106,051.60, 727,659,077.40 and 194,018,101.20

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Solution

The fourth proportional to 485,106,051.60, 727,659,077.40 and 194,018,101.20 is: 291,027,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,106,051.60 : 727,659,077.40 = 194,018,101.20 : x
  2. Step 2: Convert to fraction form
    485,106,051.60/727,659,077.40 = 194,018,101.20/x
  3. Step 3: Cross multiply
    485,106,051.60x = 727,659,077.40 × 194,018,101.20
  4. Step 4: Simplify right side
    485,106,051.60x = 141,179,032,518,091,824
  5. Step 5: Solve for x
    x = 141,179,032,518,091,824/485,106,051.60
  6. Step 6: Final answer
    x = 291,027,151.80

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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.