Home / 855,604,956,876.55-1,180,763,156,981.50-470,242,962,074.80

Finding the Fourth Proportional to 855,604,956,876.55, 1,180,763,156,981.50 and 470,242,962,074.80

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Solution

The fourth proportional to 855,604,956,876.55, 1,180,763,156,981.50 and 470,242,962,074.80 is: 648,950,850,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,604,956,876.55 : 1,180,763,156,981.50 = 470,242,962,074.80 : x
  2. Step 2: Convert to fraction form
    855,604,956,876.55/1,180,763,156,981.50 = 470,242,962,074.80/x
  3. Step 3: Cross multiply
    855,604,956,876.55x = 1,180,763,156,981.50 × 470,242,962,074.80
  4. Step 4: Simplify right side
    855,604,956,876.55x = 555,245,564,447,772,605,677,568
  5. Step 5: Solve for x
    x = 555,245,564,447,772,605,677,568/855,604,956,876.55
  6. Step 6: Final answer
    x = 648,950,850,489.15

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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.