Home / 968,145,364.40-1,452,029,089.80-321,913,108.40

Finding the Fourth Proportional to 968,145,364.40, 1,452,029,089.80 and 321,913,108.40

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Solution

The fourth proportional to 968,145,364.40, 1,452,029,089.80 and 321,913,108.40 is: 482,806,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,145,364.40 : 1,452,029,089.80 = 321,913,108.40 : x
  2. Step 2: Convert to fraction form
    968,145,364.40/1,452,029,089.80 = 321,913,108.40/x
  3. Step 3: Cross multiply
    968,145,364.40x = 1,452,029,089.80 × 321,913,108.40
  4. Step 4: Simplify right side
    968,145,364.40x = 467,427,197,784,740,672
  5. Step 5: Solve for x
    x = 467,427,197,784,740,672/968,145,364.40
  6. Step 6: Final answer
    x = 482,806,833.53

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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.