Home / 354,950,884.83-489,578,182.47-249,127,913.49

Finding the Fourth Proportional to 354,950,884.83, 489,578,182.47 and 249,127,913.49

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Solution

The fourth proportional to 354,950,884.83, 489,578,182.47 and 249,127,913.49 is: 343,618,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,950,884.83 : 489,578,182.47 = 249,127,913.49 : x
  2. Step 2: Convert to fraction form
    354,950,884.83/489,578,182.47 = 249,127,913.49/x
  3. Step 3: Cross multiply
    354,950,884.83x = 489,578,182.47 × 249,127,913.49
  4. Step 4: Simplify right side
    354,950,884.83x = 121,967,591,088,977,600
  5. Step 5: Solve for x
    x = 121,967,591,088,977,600/354,950,884.83
  6. Step 6: Final answer
    x = 343,618,219.60

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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.