Home / 855,604,956,875.35-1,180,763,156,979.60-470,242,962,073.55

Finding the Fourth Proportional to 855,604,956,875.35, 1,180,763,156,979.60 and 470,242,962,073.55

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Solution

The fourth proportional to 855,604,956,875.35, 1,180,763,156,979.60 and 470,242,962,073.55 is: 648,950,850,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,604,956,875.35 : 1,180,763,156,979.60 = 470,242,962,073.55 : x
  2. Step 2: Convert to fraction form
    855,604,956,875.35/1,180,763,156,979.60 = 470,242,962,073.55/x
  3. Step 3: Cross multiply
    855,604,956,875.35x = 1,180,763,156,979.60 × 470,242,962,073.55
  4. Step 4: Simplify right side
    855,604,956,875.35x = 555,245,564,445,403,260,125,184
  5. Step 5: Solve for x
    x = 555,245,564,445,403,260,125,184/855,604,956,875.35
  6. Step 6: Final answer
    x = 648,950,850,487.29

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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.