Home / 1,053,591,048.41-1,579,869,428.36-521,187,335.77

Finding the Fourth Proportional to 1,053,591,048.41, 1,579,869,428.36 and 521,187,335.77

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Solution

The fourth proportional to 1,053,591,048.41, 1,579,869,428.36 and 521,187,335.77 is: 781,525,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,591,048.41 : 1,579,869,428.36 = 521,187,335.77 : x
  2. Step 2: Convert to fraction form
    1,053,591,048.41/1,579,869,428.36 = 521,187,335.77/x
  3. Step 3: Cross multiply
    1,053,591,048.41x = 1,579,869,428.36 × 521,187,335.77
  4. Step 4: Simplify right side
    1,053,591,048.41x = 823,407,938,230,230,144
  5. Step 5: Solve for x
    x = 823,407,938,230,230,144/1,053,591,048.41
  6. Step 6: Final answer
    x = 781,525,184.25

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Double scale
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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.