Home / 772,696,008.80-1,159,100,000.40-465,326,280.80

Finding the Fourth Proportional to 772,696,008.80, 1,159,100,000.40 and 465,326,280.80

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Solution

The fourth proportional to 772,696,008.80, 1,159,100,000.40 and 465,326,280.80 is: 698,023,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,696,008.80 : 1,159,100,000.40 = 465,326,280.80 : x
  2. Step 2: Convert to fraction form
    772,696,008.80/1,159,100,000.40 = 465,326,280.80/x
  3. Step 3: Cross multiply
    772,696,008.80x = 1,159,100,000.40 × 465,326,280.80
  4. Step 4: Simplify right side
    772,696,008.80x = 539,359,692,261,410,560
  5. Step 5: Solve for x
    x = 539,359,692,261,410,560/772,696,008.80
  6. Step 6: Final answer
    x = 698,023,137.33

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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.