Home / 683,328,000.80-1,024,992,001.20-676,957,901.60

Finding the Fourth Proportional to 683,328,000.80, 1,024,992,001.20 and 676,957,901.60

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Solution

The fourth proportional to 683,328,000.80, 1,024,992,001.20 and 676,957,901.60 is: 1,015,436,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,328,000.80 : 1,024,992,001.20 = 676,957,901.60 : x
  2. Step 2: Convert to fraction form
    683,328,000.80/1,024,992,001.20 = 676,957,901.60/x
  3. Step 3: Cross multiply
    683,328,000.80x = 1,024,992,001.20 × 676,957,901.60
  4. Step 4: Simplify right side
    683,328,000.80x = 693,876,434,289,136,768
  5. Step 5: Solve for x
    x = 693,876,434,289,136,768/683,328,000.80
  6. Step 6: Final answer
    x = 1,015,436,852.40

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1.5x scale

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.