Home / 422,551,205.40-633,826,808.10-368,803,493.40

Finding the Fourth Proportional to 422,551,205.40, 633,826,808.10 and 368,803,493.40

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Solution

The fourth proportional to 422,551,205.40, 633,826,808.10 and 368,803,493.40 is: 553,205,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,551,205.40 : 633,826,808.10 = 368,803,493.40 : x
  2. Step 2: Convert to fraction form
    422,551,205.40/633,826,808.10 = 368,803,493.40/x
  3. Step 3: Cross multiply
    422,551,205.40x = 633,826,808.10 × 368,803,493.40
  4. Step 4: Simplify right side
    422,551,205.40x = 233,757,541,037,851,424
  5. Step 5: Solve for x
    x = 233,757,541,037,851,424/422,551,205.40
  6. Step 6: Final answer
    x = 553,205,240.10

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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.