Home / 555,612,904.48-766,759,886.80-304,727,285.28

Finding the Fourth Proportional to 555,612,904.48, 766,759,886.80 and 304,727,285.28

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Solution

The fourth proportional to 555,612,904.48, 766,759,886.80 and 304,727,285.28 is: 420,531,375.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,612,904.48 : 766,759,886.80 = 304,727,285.28 : x
  2. Step 2: Convert to fraction form
    555,612,904.48/766,759,886.80 = 304,727,285.28/x
  3. Step 3: Cross multiply
    555,612,904.48x = 766,759,886.80 × 304,727,285.28
  4. Step 4: Simplify right side
    555,612,904.48x = 233,652,658,766,164,064
  5. Step 5: Solve for x
    x = 233,652,658,766,164,064/555,612,904.48
  6. Step 6: Final answer
    x = 420,531,375.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.