Home / 930,448,379.96-1,283,981,380.89-507,053,050.41

Finding the Fourth Proportional to 930,448,379.96, 1,283,981,380.89 and 507,053,050.41

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Solution

The fourth proportional to 930,448,379.96, 1,283,981,380.89 and 507,053,050.41 is: 699,712,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,448,379.96 : 1,283,981,380.89 = 507,053,050.41 : x
  2. Step 2: Convert to fraction form
    930,448,379.96/1,283,981,380.89 = 507,053,050.41/x
  3. Step 3: Cross multiply
    930,448,379.96x = 1,283,981,380.89 × 507,053,050.41
  4. Step 4: Simplify right side
    930,448,379.96x = 651,046,675,849,918,720
  5. Step 5: Solve for x
    x = 651,046,675,849,918,720/930,448,379.96
  6. Step 6: Final answer
    x = 699,712,837.25

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1.5x scale

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.