Home / 430,551,146.36-646,077,373.18-181,540,784.92

Finding the Fourth Proportional to 430,551,146.36, 646,077,373.18 and 181,540,784.92

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Solution

The fourth proportional to 430,551,146.36, 646,077,373.18 and 181,540,784.92 is: 272,416,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,551,146.36 : 646,077,373.18 = 181,540,784.92 : x
  2. Step 2: Convert to fraction form
    430,551,146.36/646,077,373.18 = 181,540,784.92/x
  3. Step 3: Cross multiply
    430,551,146.36x = 646,077,373.18 × 181,540,784.92
  4. Step 4: Simplify right side
    430,551,146.36x = 117,289,393,446,148,944
  5. Step 5: Solve for x
    x = 117,289,393,446,148,944/430,551,146.36
  6. Step 6: Final answer
    x = 272,416,864.84

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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.