Home / 545,935,165.20-818,902,747.80-339,310,904.40

Finding the Fourth Proportional to 545,935,165.20, 818,902,747.80 and 339,310,904.40

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Solution

The fourth proportional to 545,935,165.20, 818,902,747.80 and 339,310,904.40 is: 508,966,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,935,165.20 : 818,902,747.80 = 339,310,904.40 : x
  2. Step 2: Convert to fraction form
    545,935,165.20/818,902,747.80 = 339,310,904.40/x
  3. Step 3: Cross multiply
    545,935,165.20x = 818,902,747.80 × 339,310,904.40
  4. Step 4: Simplify right side
    545,935,165.20x = 277,862,631,971,663,072
  5. Step 5: Solve for x
    x = 277,862,631,971,663,072/545,935,165.20
  6. Step 6: Final answer
    x = 508,966,356.60

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1.5x scale

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.