Home / 698,688,014.40-1,048,032,021.60-481,009,780.80

Finding the Fourth Proportional to 698,688,014.40, 1,048,032,021.60 and 481,009,780.80

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Solution

The fourth proportional to 698,688,014.40, 1,048,032,021.60 and 481,009,780.80 is: 721,514,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,688,014.40 : 1,048,032,021.60 = 481,009,780.80 : x
  2. Step 2: Convert to fraction form
    698,688,014.40/1,048,032,021.60 = 481,009,780.80/x
  3. Step 3: Cross multiply
    698,688,014.40x = 1,048,032,021.60 × 481,009,780.80
  4. Step 4: Simplify right side
    698,688,014.40x = 504,113,652,981,196,864
  5. Step 5: Solve for x
    x = 504,113,652,981,196,864/698,688,014.40
  6. Step 6: Final answer
    x = 721,514,671.20

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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.