Home / 992,249,642.58-1,488,598,693.74-328,262,104.65

Finding the Fourth Proportional to 992,249,642.58, 1,488,598,693.74 and 328,262,104.65

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Solution

The fourth proportional to 992,249,642.58, 1,488,598,693.74 and 328,262,104.65 is: 492,467,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,249,642.58 : 1,488,598,693.74 = 328,262,104.65 : x
  2. Step 2: Convert to fraction form
    992,249,642.58/1,488,598,693.74 = 328,262,104.65/x
  3. Step 3: Cross multiply
    992,249,642.58x = 1,488,598,693.74 × 328,262,104.65
  4. Step 4: Simplify right side
    992,249,642.58x = 488,650,540,186,333,120
  5. Step 5: Solve for x
    x = 488,650,540,186,333,120/992,249,642.58
  6. Step 6: Final answer
    x = 492,467,338.07

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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.