Home / 545,828,019.80-818,742,029.70-486,873,498.20

Finding the Fourth Proportional to 545,828,019.80, 818,742,029.70 and 486,873,498.20

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Solution

The fourth proportional to 545,828,019.80, 818,742,029.70 and 486,873,498.20 is: 730,310,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,828,019.80 : 818,742,029.70 = 486,873,498.20 : x
  2. Step 2: Convert to fraction form
    545,828,019.80/818,742,029.70 = 486,873,498.20/x
  3. Step 3: Cross multiply
    545,828,019.80x = 818,742,029.70 × 486,873,498.20
  4. Step 4: Simplify right side
    545,828,019.80x = 398,623,796,123,407,296
  5. Step 5: Solve for x
    x = 398,623,796,123,407,296/545,828,019.80
  6. Step 6: Final answer
    x = 730,310,247.30

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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.