Home / 698,688,015.40-1,048,032,023.10-481,009,781.80

Finding the Fourth Proportional to 698,688,015.40, 1,048,032,023.10 and 481,009,781.80

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Solution

The fourth proportional to 698,688,015.40, 1,048,032,023.10 and 481,009,781.80 is: 721,514,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,688,015.40 : 1,048,032,023.10 = 481,009,781.80 : x
  2. Step 2: Convert to fraction form
    698,688,015.40/1,048,032,023.10 = 481,009,781.80/x
  3. Step 3: Cross multiply
    698,688,015.40x = 1,048,032,023.10 × 481,009,781.80
  4. Step 4: Simplify right side
    698,688,015.40x = 504,113,654,750,743,552
  5. Step 5: Solve for x
    x = 504,113,654,750,743,552/698,688,015.40
  6. Step 6: Final answer
    x = 721,514,672.70

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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.