Home / 30,285,616,982.70-45,428,425,474.05-25,125,836,630.70

Finding the Fourth Proportional to 30,285,616,982.70, 45,428,425,474.05 and 25,125,836,630.70

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Solution

The fourth proportional to 30,285,616,982.70, 45,428,425,474.05 and 25,125,836,630.70 is: 37,688,754,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285,616,982.70 : 45,428,425,474.05 = 25,125,836,630.70 : x
  2. Step 2: Convert to fraction form
    30,285,616,982.70/45,428,425,474.05 = 25,125,836,630.70/x
  3. Step 3: Cross multiply
    30,285,616,982.70x = 45,428,425,474.05 × 25,125,836,630.70
  4. Step 4: Simplify right side
    30,285,616,982.70x = 1,141,427,196,850,910,658,560
  5. Step 5: Solve for x
    x = 1,141,427,196,850,910,658,560/30,285,616,982.70
  6. Step 6: Final answer
    x = 37,688,754,946.05

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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.