Home / 578,073,742.88-797,742,355.57-313,755,790.41

Finding the Fourth Proportional to 578,073,742.88, 797,742,355.57 and 313,755,790.41

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Solution

The fourth proportional to 578,073,742.88, 797,742,355.57 and 313,755,790.41 is: 432,983,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,073,742.88 : 797,742,355.57 = 313,755,790.41 : x
  2. Step 2: Convert to fraction form
    578,073,742.88/797,742,355.57 = 313,755,790.41/x
  3. Step 3: Cross multiply
    578,073,742.88x = 797,742,355.57 × 313,755,790.41
  4. Step 4: Simplify right side
    578,073,742.88x = 250,296,283,313,116,448
  5. Step 5: Solve for x
    x = 250,296,283,313,116,448/578,073,742.88
  6. Step 6: Final answer
    x = 432,983,311.21

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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.