Home / 488,900,664,452.20-674,682,949,386.54-272,122,206,829.72

Finding the Fourth Proportional to 488,900,664,452.20, 674,682,949,386.54 and 272,122,206,829.72

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Solution

The fourth proportional to 488,900,664,452.20, 674,682,949,386.54 and 272,122,206,829.72 is: 375,528,663,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,900,664,452.20 : 674,682,949,386.54 = 272,122,206,829.72 : x
  2. Step 2: Convert to fraction form
    488,900,664,452.20/674,682,949,386.54 = 272,122,206,829.72/x
  3. Step 3: Cross multiply
    488,900,664,452.20x = 674,682,949,386.54 × 272,122,206,829.72
  4. Step 4: Simplify right side
    488,900,664,452.20x = 183,596,213,097,449,547,366,400
  5. Step 5: Solve for x
    x = 183,596,213,097,449,547,366,400/488,900,664,452.20
  6. Step 6: Final answer
    x = 375,528,663,482.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.