Home / 855,604,956,876.10-1,180,763,156,980.80-470,242,962,074.31

Finding the Fourth Proportional to 855,604,956,876.10, 1,180,763,156,980.80 and 470,242,962,074.31

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Solution

The fourth proportional to 855,604,956,876.10, 1,180,763,156,980.80 and 470,242,962,074.31 is: 648,950,850,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,604,956,876.10 : 1,180,763,156,980.80 = 470,242,962,074.31 : x
  2. Step 2: Convert to fraction form
    855,604,956,876.10/1,180,763,156,980.80 = 470,242,962,074.31/x
  3. Step 3: Cross multiply
    855,604,956,876.10x = 1,180,763,156,980.80 × 470,242,962,074.31
  4. Step 4: Simplify right side
    855,604,956,876.10x = 555,245,564,446,864,891,183,104
  5. Step 5: Solve for x
    x = 555,245,564,446,864,891,183,104/855,604,956,876.10
  6. Step 6: Final answer
    x = 648,950,850,488.43

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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.