Home / 20,785,257,553.20-31,177,886,329.80-20,372,009,031.60

Finding the Fourth Proportional to 20,785,257,553.20, 31,177,886,329.80 and 20,372,009,031.60

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Solution

The fourth proportional to 20,785,257,553.20, 31,177,886,329.80 and 20,372,009,031.60 is: 30,558,013,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,257,553.20 : 31,177,886,329.80 = 20,372,009,031.60 : x
  2. Step 2: Convert to fraction form
    20,785,257,553.20/31,177,886,329.80 = 20,372,009,031.60/x
  3. Step 3: Cross multiply
    20,785,257,553.20x = 31,177,886,329.80 × 20,372,009,031.60
  4. Step 4: Simplify right side
    20,785,257,553.20x = 635,156,181,896,883,732,480
  5. Step 5: Solve for x
    x = 635,156,181,896,883,732,480/20,785,257,553.20
  6. Step 6: Final answer
    x = 30,558,013,547.40

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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.