Home / 808,488,281.40-1,212,732,422.10-263,284,927.80

Finding the Fourth Proportional to 808,488,281.40, 1,212,732,422.10 and 263,284,927.80

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Solution

The fourth proportional to 808,488,281.40, 1,212,732,422.10 and 263,284,927.80 is: 394,927,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,488,281.40 : 1,212,732,422.10 = 263,284,927.80 : x
  2. Step 2: Convert to fraction form
    808,488,281.40/1,212,732,422.10 = 263,284,927.80/x
  3. Step 3: Cross multiply
    808,488,281.40x = 1,212,732,422.10 × 263,284,927.80
  4. Step 4: Simplify right side
    808,488,281.40x = 319,294,168,193,317,632
  5. Step 5: Solve for x
    x = 319,294,168,193,317,632/808,488,281.40
  6. Step 6: Final answer
    x = 394,927,391.70

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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.