Home / 956,672,409.32-1,320,207,913.90-516,639,261.32

Finding the Fourth Proportional to 956,672,409.32, 1,320,207,913.90 and 516,639,261.32

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Solution

The fourth proportional to 956,672,409.32, 1,320,207,913.90 and 516,639,261.32 is: 712,962,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,672,409.32 : 1,320,207,913.90 = 516,639,261.32 : x
  2. Step 2: Convert to fraction form
    956,672,409.32/1,320,207,913.90 = 516,639,261.32/x
  3. Step 3: Cross multiply
    956,672,409.32x = 1,320,207,913.90 × 516,639,261.32
  4. Step 4: Simplify right side
    956,672,409.32x = 682,071,241,426,114,176
  5. Step 5: Solve for x
    x = 682,071,241,426,114,176/956,672,409.32
  6. Step 6: Final answer
    x = 712,962,174.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.