Home / 1,299,306,400.40-1,948,959,600.60-993,196,384.40

Finding the Fourth Proportional to 1,299,306,400.40, 1,948,959,600.60 and 993,196,384.40

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Solution

The fourth proportional to 1,299,306,400.40, 1,948,959,600.60 and 993,196,384.40 is: 1,489,794,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,306,400.40 : 1,948,959,600.60 = 993,196,384.40 : x
  2. Step 2: Convert to fraction form
    1,299,306,400.40/1,948,959,600.60 = 993,196,384.40/x
  3. Step 3: Cross multiply
    1,299,306,400.40x = 1,948,959,600.60 × 993,196,384.40
  4. Step 4: Simplify right side
    1,299,306,400.40x = 1,935,699,628,657,587,968
  5. Step 5: Solve for x
    x = 1,935,699,628,657,587,968/1,299,306,400.40
  6. Step 6: Final answer
    x = 1,489,794,576.60

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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.