Home / 417,265,340.40-625,898,010.60-213,191,996.40

Finding the Fourth Proportional to 417,265,340.40, 625,898,010.60 and 213,191,996.40

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Solution

The fourth proportional to 417,265,340.40, 625,898,010.60 and 213,191,996.40 is: 319,787,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,265,340.40 : 625,898,010.60 = 213,191,996.40 : x
  2. Step 2: Convert to fraction form
    417,265,340.40/625,898,010.60 = 213,191,996.40/x
  3. Step 3: Cross multiply
    417,265,340.40x = 625,898,010.60 × 213,191,996.40
  4. Step 4: Simplify right side
    417,265,340.40x = 133,436,446,422,602,368
  5. Step 5: Solve for x
    x = 133,436,446,422,602,368/417,265,340.40
  6. Step 6: Final answer
    x = 319,787,994.60

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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.