Home / 468,488,289.09-646,513,899.18-259,657,913.73

Finding the Fourth Proportional to 468,488,289.09, 646,513,899.18 and 259,657,913.73

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Solution

The fourth proportional to 468,488,289.09, 646,513,899.18 and 259,657,913.73 is: 358,327,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,488,289.09 : 646,513,899.18 = 259,657,913.73 : x
  2. Step 2: Convert to fraction form
    468,488,289.09/646,513,899.18 = 259,657,913.73/x
  3. Step 3: Cross multiply
    468,488,289.09x = 646,513,899.18 × 259,657,913.73
  4. Step 4: Simplify right side
    468,488,289.09x = 167,872,450,258,526,336
  5. Step 5: Solve for x
    x = 167,872,450,258,526,336/468,488,289.09
  6. Step 6: Final answer
    x = 358,327,954.33

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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.