Home / 860,663,440,858.50-1,187,715,999,266.50-470,035,352,310.48

Finding the Fourth Proportional to 860,663,440,858.50, 1,187,715,999,266.50 and 470,035,352,310.48

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Solution

The fourth proportional to 860,663,440,858.50, 1,187,715,999,266.50 and 470,035,352,310.48 is: 648,649,032,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,663,440,858.50 : 1,187,715,999,266.50 = 470,035,352,310.48 : x
  2. Step 2: Convert to fraction form
    860,663,440,858.50/1,187,715,999,266.50 = 470,035,352,310.48/x
  3. Step 3: Cross multiply
    860,663,440,858.50x = 1,187,715,999,266.50 × 470,035,352,310.48
  4. Step 4: Simplify right side
    860,663,440,858.50x = 558,268,508,160,023,110,615,040
  5. Step 5: Solve for x
    x = 558,268,508,160,023,110,615,040/860,663,440,858.50
  6. Step 6: Final answer
    x = 648,649,032,429.17

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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.