Home / 847,359,083.60-1,169,369,519.08-465,897,236.03

Finding the Fourth Proportional to 847,359,083.60, 1,169,369,519.08 and 465,897,236.03

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Solution

The fourth proportional to 847,359,083.60, 1,169,369,519.08 and 465,897,236.03 is: 642,945,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,359,083.60 : 1,169,369,519.08 = 465,897,236.03 : x
  2. Step 2: Convert to fraction form
    847,359,083.60/1,169,369,519.08 = 465,897,236.03/x
  3. Step 3: Cross multiply
    847,359,083.60x = 1,169,369,519.08 × 465,897,236.03
  4. Step 4: Simplify right side
    847,359,083.60x = 544,806,026,835,326,208
  5. Step 5: Solve for x
    x = 544,806,026,835,326,208/847,359,083.60
  6. Step 6: Final answer
    x = 642,945,874.28

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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.