Home / 385,244,928,004.80-577,867,392,007.20-251,352,407,006.40

Finding the Fourth Proportional to 385,244,928,004.80, 577,867,392,007.20 and 251,352,407,006.40

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Solution

The fourth proportional to 385,244,928,004.80, 577,867,392,007.20 and 251,352,407,006.40 is: 377,028,610,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,244,928,004.80 : 577,867,392,007.20 = 251,352,407,006.40 : x
  2. Step 2: Convert to fraction form
    385,244,928,004.80/577,867,392,007.20 = 251,352,407,006.40/x
  3. Step 3: Cross multiply
    385,244,928,004.80x = 577,867,392,007.20 × 251,352,407,006.40
  4. Step 4: Simplify right side
    385,244,928,004.80x = 145,248,359,911,520,609,501,184
  5. Step 5: Solve for x
    x = 145,248,359,911,520,609,501,184/385,244,928,004.80
  6. Step 6: Final answer
    x = 377,028,610,509.60

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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.