Home / 509,742,077.52-764,617,541.34-164,695,741.40

Finding the Fourth Proportional to 509,742,077.52, 764,617,541.34 and 164,695,741.40

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Solution

The fourth proportional to 509,742,077.52, 764,617,541.34 and 164,695,741.40 is: 247,045,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,742,077.52 : 764,617,541.34 = 164,695,741.40 : x
  2. Step 2: Convert to fraction form
    509,742,077.52/764,617,541.34 = 164,695,741.40/x
  3. Step 3: Cross multiply
    509,742,077.52x = 764,617,541.34 × 164,695,741.40
  4. Step 4: Simplify right side
    509,742,077.52x = 125,929,252,858,436,464
  5. Step 5: Solve for x
    x = 125,929,252,858,436,464/509,742,077.52
  6. Step 6: Final answer
    x = 247,045,041.82

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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.