Home / 436,544,681.40-654,817,022.10-218,228,718.60

Finding the Fourth Proportional to 436,544,681.40, 654,817,022.10 and 218,228,718.60

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Solution

The fourth proportional to 436,544,681.40, 654,817,022.10 and 218,228,718.60 is: 327,343,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,544,681.40 : 654,817,022.10 = 218,228,718.60 : x
  2. Step 2: Convert to fraction form
    436,544,681.40/654,817,022.10 = 218,228,718.60/x
  3. Step 3: Cross multiply
    436,544,681.40x = 654,817,022.10 × 218,228,718.60
  4. Step 4: Simplify right side
    436,544,681.40x = 142,899,879,650,350,880
  5. Step 5: Solve for x
    x = 142,899,879,650,350,880/436,544,681.40
  6. Step 6: Final answer
    x = 327,343,077.90

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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.