Home / 354,307,565.80-531,461,348.70-323,696,564.20

Finding the Fourth Proportional to 354,307,565.80, 531,461,348.70 and 323,696,564.20

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Solution

The fourth proportional to 354,307,565.80, 531,461,348.70 and 323,696,564.20 is: 485,544,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,307,565.80 : 531,461,348.70 = 323,696,564.20 : x
  2. Step 2: Convert to fraction form
    354,307,565.80/531,461,348.70 = 323,696,564.20/x
  3. Step 3: Cross multiply
    354,307,565.80x = 531,461,348.70 × 323,696,564.20
  4. Step 4: Simplify right side
    354,307,565.80x = 172,032,212,579,288,128
  5. Step 5: Solve for x
    x = 172,032,212,579,288,128/354,307,565.80
  6. Step 6: Final answer
    x = 485,544,846.30

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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.