Home / 1,148,845,368.57-1,723,016,110.46-330,779,997.69

Finding the Fourth Proportional to 1,148,845,368.57, 1,723,016,110.46 and 330,779,997.69

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Solution

The fourth proportional to 1,148,845,368.57, 1,723,016,110.46 and 330,779,997.69 is: 496,097,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,845,368.57 : 1,723,016,110.46 = 330,779,997.69 : x
  2. Step 2: Convert to fraction form
    1,148,845,368.57/1,723,016,110.46 = 330,779,997.69/x
  3. Step 3: Cross multiply
    1,148,845,368.57x = 1,723,016,110.46 × 330,779,997.69
  4. Step 4: Simplify right side
    1,148,845,368.57x = 569,939,265,036,137,664
  5. Step 5: Solve for x
    x = 569,939,265,036,137,664/1,148,845,368.57
  6. Step 6: Final answer
    x = 496,097,456.31

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Double scale
Find fourth proportional to 1,148,845,369.57, 1,723,016,111.95 and 330,779,998.69
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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.