Home / 436,900,904.40-654,910,457.40-218,214,901.20

Finding the Fourth Proportional to 436,900,904.40, 654,910,457.40 and 218,214,901.20

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Solution

The fourth proportional to 436,900,904.40, 654,910,457.40 and 218,214,901.20 is: 327,102,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,900,904.40 : 654,910,457.40 = 218,214,901.20 : x
  2. Step 2: Convert to fraction form
    436,900,904.40/654,910,457.40 = 218,214,901.20/x
  3. Step 3: Cross multiply
    436,900,904.40x = 654,910,457.40 × 218,214,901.20
  4. Step 4: Simplify right side
    436,900,904.40x = 142,911,220,756,387,792
  5. Step 5: Solve for x
    x = 142,911,220,756,387,792/436,900,904.40
  6. Step 6: Final answer
    x = 327,102,139.91

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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.