Home / 980,583,784.11-1,471,308,898.19-514,133,688.15

Finding the Fourth Proportional to 980,583,784.11, 1,471,308,898.19 and 514,133,688.15

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Solution

The fourth proportional to 980,583,784.11, 1,471,308,898.19 and 514,133,688.15 is: 771,427,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,583,784.11 : 1,471,308,898.19 = 514,133,688.15 : x
  2. Step 2: Convert to fraction form
    980,583,784.11/1,471,308,898.19 = 514,133,688.15/x
  3. Step 3: Cross multiply
    980,583,784.11x = 1,471,308,898.19 × 514,133,688.15
  4. Step 4: Simplify right side
    980,583,784.11x = 756,449,470,231,766,784
  5. Step 5: Solve for x
    x = 756,449,470,231,766,784/980,583,784.11
  6. Step 6: Final answer
    x = 771,427,676.54

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Double scale
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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.