Home / 930,396,089.96-1,283,929,976.16-507,013,429.40

Finding the Fourth Proportional to 930,396,089.96, 1,283,929,976.16 and 507,013,429.40

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Solution

The fourth proportional to 930,396,089.96, 1,283,929,976.16 and 507,013,429.40 is: 699,669,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,396,089.96 : 1,283,929,976.16 = 507,013,429.40 : x
  2. Step 2: Convert to fraction form
    930,396,089.96/1,283,929,976.16 = 507,013,429.40/x
  3. Step 3: Cross multiply
    930,396,089.96x = 1,283,929,976.16 × 507,013,429.40
  4. Step 4: Simplify right side
    930,396,089.96x = 650,969,740,322,341,888
  5. Step 5: Solve for x
    x = 650,969,740,322,341,888/930,396,089.96
  6. Step 6: Final answer
    x = 699,669,471.26

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Why These Related Problems?

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