Home / 963,744,687.09-1,330,374,485.30-650,902,642.56

Finding the Fourth Proportional to 963,744,687.09, 1,330,374,485.30 and 650,902,642.56

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Solution

The fourth proportional to 963,744,687.09, 1,330,374,485.30 and 650,902,642.56 is: 898,520,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,744,687.09 : 1,330,374,485.30 = 650,902,642.56 : x
  2. Step 2: Convert to fraction form
    963,744,687.09/1,330,374,485.30 = 650,902,642.56/x
  3. Step 3: Cross multiply
    963,744,687.09x = 1,330,374,485.30 × 650,902,642.56
  4. Step 4: Simplify right side
    963,744,687.09x = 865,944,268,072,915,328
  5. Step 5: Solve for x
    x = 865,944,268,072,915,328/963,744,687.09
  6. Step 6: Final answer
    x = 898,520,406.57

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Double scale
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1.5x scale

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.