Home / 658,746,936.60-909,012,874.88-376,433,353.52

Finding the Fourth Proportional to 658,746,936.60, 909,012,874.88 and 376,433,353.52

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Solution

The fourth proportional to 658,746,936.60, 909,012,874.88 and 376,433,353.52 is: 519,444,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,746,936.60 : 909,012,874.88 = 376,433,353.52 : x
  2. Step 2: Convert to fraction form
    658,746,936.60/909,012,874.88 = 376,433,353.52/x
  3. Step 3: Cross multiply
    658,746,936.60x = 909,012,874.88 × 376,433,353.52
  4. Step 4: Simplify right side
    658,746,936.60x = 342,182,764,883,934,528
  5. Step 5: Solve for x
    x = 342,182,764,883,934,528/658,746,936.60
  6. Step 6: Final answer
    x = 519,444,942.92

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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.