Home / 956,568,665.90-1,434,852,998.85-520,078,457.90

Finding the Fourth Proportional to 956,568,665.90, 1,434,852,998.85 and 520,078,457.90

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Solution

The fourth proportional to 956,568,665.90, 1,434,852,998.85 and 520,078,457.90 is: 780,117,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,568,665.90 : 1,434,852,998.85 = 520,078,457.90 : x
  2. Step 2: Convert to fraction form
    956,568,665.90/1,434,852,998.85 = 520,078,457.90/x
  3. Step 3: Cross multiply
    956,568,665.90x = 1,434,852,998.85 × 520,078,457.90
  4. Step 4: Simplify right side
    956,568,665.90x = 746,236,134,955,098,368
  5. Step 5: Solve for x
    x = 746,236,134,955,098,368/956,568,665.90
  6. Step 6: Final answer
    x = 780,117,686.85

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Double scale
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Similar ratio
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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.