Home / 533,439,666.90-800,173,541.09-145,270,436.58

Finding the Fourth Proportional to 533,439,666.90, 800,173,541.09 and 145,270,436.58

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Solution

The fourth proportional to 533,439,666.90, 800,173,541.09 and 145,270,436.58 is: 217,909,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,439,666.90 : 800,173,541.09 = 145,270,436.58 : x
  2. Step 2: Convert to fraction form
    533,439,666.90/800,173,541.09 = 145,270,436.58/x
  3. Step 3: Cross multiply
    533,439,666.90x = 800,173,541.09 × 145,270,436.58
  4. Step 4: Simplify right side
    533,439,666.90x = 116,241,559,654,272,048
  5. Step 5: Solve for x
    x = 116,241,559,654,272,048/533,439,666.90
  6. Step 6: Final answer
    x = 217,909,478.55

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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.