Home / 1,048,790,732.70-1,573,186,099.05-661,051,379.10

Finding the Fourth Proportional to 1,048,790,732.70, 1,573,186,099.05 and 661,051,379.10

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Solution

The fourth proportional to 1,048,790,732.70, 1,573,186,099.05 and 661,051,379.10 is: 991,577,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,790,732.70 : 1,573,186,099.05 = 661,051,379.10 : x
  2. Step 2: Convert to fraction form
    1,048,790,732.70/1,573,186,099.05 = 661,051,379.10/x
  3. Step 3: Cross multiply
    1,048,790,732.70x = 1,573,186,099.05 × 661,051,379.10
  4. Step 4: Simplify right side
    1,048,790,732.70x = 1,039,956,840,357,951,744
  5. Step 5: Solve for x
    x = 1,039,956,840,357,951,744/1,048,790,732.70
  6. Step 6: Final answer
    x = 991,577,068.65

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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.