Home / 576,027,813.40-864,041,720.10-422,972,805.40

Finding the Fourth Proportional to 576,027,813.40, 864,041,720.10 and 422,972,805.40

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Solution

The fourth proportional to 576,027,813.40, 864,041,720.10 and 422,972,805.40 is: 634,459,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,027,813.40 : 864,041,720.10 = 422,972,805.40 : x
  2. Step 2: Convert to fraction form
    576,027,813.40/864,041,720.10 = 422,972,805.40/x
  3. Step 3: Cross multiply
    576,027,813.40x = 864,041,720.10 × 422,972,805.40
  4. Step 4: Simplify right side
    576,027,813.40x = 365,466,150,333,338,560
  5. Step 5: Solve for x
    x = 365,466,150,333,338,560/576,027,813.40
  6. Step 6: Final answer
    x = 634,459,208.10

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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.