Home / 855,604,956,871.76-1,180,763,156,974.80-470,242,962,069.90

Finding the Fourth Proportional to 855,604,956,871.76, 1,180,763,156,974.80 and 470,242,962,069.90

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Solution

The fourth proportional to 855,604,956,871.76, 1,180,763,156,974.80 and 470,242,962,069.90 is: 648,950,850,482.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,604,956,871.76 : 1,180,763,156,974.80 = 470,242,962,069.90 : x
  2. Step 2: Convert to fraction form
    855,604,956,871.76/1,180,763,156,974.80 = 470,242,962,069.90/x
  3. Step 3: Cross multiply
    855,604,956,871.76x = 1,180,763,156,974.80 × 470,242,962,069.90
  4. Step 4: Simplify right side
    855,604,956,871.76x = 555,245,564,438,836,322,238,464
  5. Step 5: Solve for x
    x = 555,245,564,438,836,322,238,464/855,604,956,871.76
  6. Step 6: Final answer
    x = 648,950,850,482.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.