Home / 384,977,260.80-577,395,032.40-239,149,850.40

Finding the Fourth Proportional to 384,977,260.80, 577,395,032.40 and 239,149,850.40

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Solution

The fourth proportional to 384,977,260.80, 577,395,032.40 and 239,149,850.40 is: 358,680,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,977,260.80 : 577,395,032.40 = 239,149,850.40 : x
  2. Step 2: Convert to fraction form
    384,977,260.80/577,395,032.40 = 239,149,850.40/x
  3. Step 3: Cross multiply
    384,977,260.80x = 577,395,032.40 × 239,149,850.40
  4. Step 4: Simplify right side
    384,977,260.80x = 138,083,935,620,163,152
  5. Step 5: Solve for x
    x = 138,083,935,620,163,152/384,977,260.80
  6. Step 6: Final answer
    x = 358,680,757.75

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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.