Home / 708,590,010.60-1,062,885,015.90-656,933,945.40

Finding the Fourth Proportional to 708,590,010.60, 1,062,885,015.90 and 656,933,945.40

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Solution

The fourth proportional to 708,590,010.60, 1,062,885,015.90 and 656,933,945.40 is: 985,400,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,010.60 : 1,062,885,015.90 = 656,933,945.40 : x
  2. Step 2: Convert to fraction form
    708,590,010.60/1,062,885,015.90 = 656,933,945.40/x
  3. Step 3: Cross multiply
    708,590,010.60x = 1,062,885,015.90 × 656,933,945.40
  4. Step 4: Simplify right side
    708,590,010.60x = 698,245,247,001,728,640
  5. Step 5: Solve for x
    x = 698,245,247,001,728,640/708,590,010.60
  6. Step 6: Final answer
    x = 985,400,918.10

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1.5x scale

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.