Home / 10,377,178,515.20-15,565,767,772.80-4,781,104,785.20

Finding the Fourth Proportional to 10,377,178,515.20, 15,565,767,772.80 and 4,781,104,785.20

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Solution

The fourth proportional to 10,377,178,515.20, 15,565,767,772.80 and 4,781,104,785.20 is: 7,171,657,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377,178,515.20 : 15,565,767,772.80 = 4,781,104,785.20 : x
  2. Step 2: Convert to fraction form
    10,377,178,515.20/15,565,767,772.80 = 4,781,104,785.20/x
  3. Step 3: Cross multiply
    10,377,178,515.20x = 15,565,767,772.80 × 4,781,104,785.20
  4. Step 4: Simplify right side
    10,377,178,515.20x = 74,421,566,783,846,023,168
  5. Step 5: Solve for x
    x = 74,421,566,783,846,023,168/10,377,178,515.20
  6. Step 6: Final answer
    x = 7,171,657,177.80

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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.