Home / 992,249,486.63-1,488,598,459.82-328,261,948.80

Finding the Fourth Proportional to 992,249,486.63, 1,488,598,459.82 and 328,261,948.80

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Solution

The fourth proportional to 992,249,486.63, 1,488,598,459.82 and 328,261,948.80 is: 492,467,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,249,486.63 : 1,488,598,459.82 = 328,261,948.80 : x
  2. Step 2: Convert to fraction form
    992,249,486.63/1,488,598,459.82 = 328,261,948.80/x
  3. Step 3: Cross multiply
    992,249,486.63x = 1,488,598,459.82 × 328,261,948.80
  4. Step 4: Simplify right side
    992,249,486.63x = 488,650,231,399,550,400
  5. Step 5: Solve for x
    x = 488,650,231,399,550,400/992,249,486.63
  6. Step 6: Final answer
    x = 492,467,104.28

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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.