Home / 992,249,613.73-1,488,598,650.12-328,262,075.51

Finding the Fourth Proportional to 992,249,613.73, 1,488,598,650.12 and 328,262,075.51

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Solution

The fourth proportional to 992,249,613.73, 1,488,598,650.12 and 328,262,075.51 is: 492,467,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,249,613.73 : 1,488,598,650.12 = 328,262,075.51 : x
  2. Step 2: Convert to fraction form
    992,249,613.73/1,488,598,650.12 = 328,262,075.51/x
  3. Step 3: Cross multiply
    992,249,613.73x = 1,488,598,650.12 × 328,262,075.51
  4. Step 4: Simplify right side
    992,249,613.73x = 488,650,482,489,775,488
  5. Step 5: Solve for x
    x = 488,650,482,489,775,488/992,249,613.73
  6. Step 6: Final answer
    x = 492,467,294.25

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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.