Home / 442,956,224.40-664,434,336.60-212,869,827.60

Finding the Fourth Proportional to 442,956,224.40, 664,434,336.60 and 212,869,827.60

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Solution

The fourth proportional to 442,956,224.40, 664,434,336.60 and 212,869,827.60 is: 319,304,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,956,224.40 : 664,434,336.60 = 212,869,827.60 : x
  2. Step 2: Convert to fraction form
    442,956,224.40/664,434,336.60 = 212,869,827.60/x
  3. Step 3: Cross multiply
    442,956,224.40x = 664,434,336.60 × 212,869,827.60
  4. Step 4: Simplify right side
    442,956,224.40x = 141,438,022,683,562,368
  5. Step 5: Solve for x
    x = 141,438,022,683,562,368/442,956,224.40
  6. Step 6: Final answer
    x = 319,304,741.40

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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.