Home / 520,125,417.44-780,105,076.11-151,574,161.50

Finding the Fourth Proportional to 520,125,417.44, 780,105,076.11 and 151,574,161.50

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Solution

The fourth proportional to 520,125,417.44, 780,105,076.11 and 151,574,161.50 is: 227,337,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,125,417.44 : 780,105,076.11 = 151,574,161.50 : x
  2. Step 2: Convert to fraction form
    520,125,417.44/780,105,076.11 = 151,574,161.50/x
  3. Step 3: Cross multiply
    520,125,417.44x = 780,105,076.11 × 151,574,161.50
  4. Step 4: Simplify right side
    520,125,417.44x = 118,243,772,793,266,928
  5. Step 5: Solve for x
    x = 118,243,772,793,266,928/520,125,417.44
  6. Step 6: Final answer
    x = 227,337,039.93

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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.