Home / 385,244,928,210.30-577,867,392,315.45-251,352,407,211.90

Finding the Fourth Proportional to 385,244,928,210.30, 577,867,392,315.45 and 251,352,407,211.90

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Solution

The fourth proportional to 385,244,928,210.30, 577,867,392,315.45 and 251,352,407,211.90 is: 377,028,610,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,244,928,210.30 : 577,867,392,315.45 = 251,352,407,211.90 : x
  2. Step 2: Convert to fraction form
    385,244,928,210.30/577,867,392,315.45 = 251,352,407,211.90/x
  3. Step 3: Cross multiply
    385,244,928,210.30x = 577,867,392,315.45 × 251,352,407,211.90
  4. Step 4: Simplify right side
    385,244,928,210.30x = 145,248,360,107,751,742,898,176
  5. Step 5: Solve for x
    x = 145,248,360,107,751,742,898,176/385,244,928,210.30
  6. Step 6: Final answer
    x = 377,028,610,817.85

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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.