Home / 677,815,352.40-935,333,852.40-380,400,153.96

Finding the Fourth Proportional to 677,815,352.40, 935,333,852.40 and 380,400,153.96

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Solution

The fourth proportional to 677,815,352.40, 935,333,852.40 and 380,400,153.96 is: 524,923,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,815,352.40 : 935,333,852.40 = 380,400,153.96 : x
  2. Step 2: Convert to fraction form
    677,815,352.40/935,333,852.40 = 380,400,153.96/x
  3. Step 3: Cross multiply
    677,815,352.40x = 935,333,852.40 × 380,400,153.96
  4. Step 4: Simplify right side
    677,815,352.40x = 355,801,141,456,959,872
  5. Step 5: Solve for x
    x = 355,801,141,456,959,872/677,815,352.40
  6. Step 6: Final answer
    x = 524,923,403.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.