Home / 551,254,836.60-760,492,640.52-328,111,396.92

Finding the Fourth Proportional to 551,254,836.60, 760,492,640.52 and 328,111,396.92

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Solution

The fourth proportional to 551,254,836.60, 760,492,640.52 and 328,111,396.92 is: 452,651,452.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,254,836.60 : 760,492,640.52 = 328,111,396.92 : x
  2. Step 2: Convert to fraction form
    551,254,836.60/760,492,640.52 = 328,111,396.92/x
  3. Step 3: Cross multiply
    551,254,836.60x = 760,492,640.52 × 328,111,396.92
  4. Step 4: Simplify right side
    551,254,836.60x = 249,526,302,628,396,608
  5. Step 5: Solve for x
    x = 249,526,302,628,396,608/551,254,836.60
  6. Step 6: Final answer
    x = 452,651,452.76

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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.