Home / 554,116,010.40-830,625,807.60-262,470,520.80

Finding the Fourth Proportional to 554,116,010.40, 830,625,807.60 and 262,470,520.80

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Solution

The fourth proportional to 554,116,010.40, 830,625,807.60 and 262,470,520.80 is: 393,446,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,116,010.40 : 830,625,807.60 = 262,470,520.80 : x
  2. Step 2: Convert to fraction form
    554,116,010.40/830,625,807.60 = 262,470,520.80/x
  3. Step 3: Cross multiply
    554,116,010.40x = 830,625,807.60 × 262,470,520.80
  4. Step 4: Simplify right side
    554,116,010.40x = 218,014,788,310,692,608
  5. Step 5: Solve for x
    x = 218,014,788,310,692,608/554,116,010.40
  6. Step 6: Final answer
    x = 393,446,109.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.