Home / 930,448,380.96-1,283,981,382.27-507,053,051.41

Finding the Fourth Proportional to 930,448,380.96, 1,283,981,382.27 and 507,053,051.41

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Solution

The fourth proportional to 930,448,380.96, 1,283,981,382.27 and 507,053,051.41 is: 699,712,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,448,380.96 : 1,283,981,382.27 = 507,053,051.41 : x
  2. Step 2: Convert to fraction form
    930,448,380.96/1,283,981,382.27 = 507,053,051.41/x
  3. Step 3: Cross multiply
    930,448,380.96x = 1,283,981,382.27 × 507,053,051.41
  4. Step 4: Simplify right side
    930,448,380.96x = 651,046,677,833,633,152
  5. Step 5: Solve for x
    x = 651,046,677,833,633,152/930,448,380.96
  6. Step 6: Final answer
    x = 699,712,838.62

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Double scale
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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.