Home / 992,249,629.05-1,488,598,673.49-328,262,091.15

Finding the Fourth Proportional to 992,249,629.05, 1,488,598,673.49 and 328,262,091.15

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Solution

The fourth proportional to 992,249,629.05, 1,488,598,673.49 and 328,262,091.15 is: 492,467,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,249,629.05 : 1,488,598,673.49 = 328,262,091.15 : x
  2. Step 2: Convert to fraction form
    992,249,629.05/1,488,598,673.49 = 328,262,091.15/x
  3. Step 3: Cross multiply
    992,249,629.05x = 1,488,598,673.49 × 328,262,091.15
  4. Step 4: Simplify right side
    992,249,629.05x = 488,650,513,442,943,424
  5. Step 5: Solve for x
    x = 488,650,513,442,943,424/992,249,629.05
  6. Step 6: Final answer
    x = 492,467,317.84

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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.