Home / 571,328,106.04-788,441,424.96-320,488,101.40

Finding the Fourth Proportional to 571,328,106.04, 788,441,424.96 and 320,488,101.40

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Solution

The fourth proportional to 571,328,106.04, 788,441,424.96 and 320,488,101.40 is: 442,278,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,328,106.04 : 788,441,424.96 = 320,488,101.40 : x
  2. Step 2: Convert to fraction form
    571,328,106.04/788,441,424.96 = 320,488,101.40/x
  3. Step 3: Cross multiply
    571,328,106.04x = 788,441,424.96 × 320,488,101.40
  4. Step 4: Simplify right side
    571,328,106.04x = 252,686,095,350,540,960
  5. Step 5: Solve for x
    x = 252,686,095,350,540,960/571,328,106.04
  6. Step 6: Final answer
    x = 442,278,425.79

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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.