Home / 520,125,414.94-780,105,072.45-151,574,159.04

Finding the Fourth Proportional to 520,125,414.94, 780,105,072.45 and 151,574,159.04

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Solution

The fourth proportional to 520,125,414.94, 780,105,072.45 and 151,574,159.04 is: 227,337,036.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,125,414.94 : 780,105,072.45 = 151,574,159.04 : x
  2. Step 2: Convert to fraction form
    520,125,414.94/780,105,072.45 = 151,574,159.04/x
  3. Step 3: Cross multiply
    520,125,414.94x = 780,105,072.45 × 151,574,159.04
  4. Step 4: Simplify right side
    520,125,414.94x = 118,243,770,318,012,160
  5. Step 5: Solve for x
    x = 118,243,770,318,012,160/520,125,414.94
  6. Step 6: Final answer
    x = 227,337,036.26

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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.