Home / 290,304,480.60-434,952,836.10-272,164,627.80

Finding the Fourth Proportional to 290,304,480.60, 434,952,836.10 and 272,164,627.80

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Solution

The fourth proportional to 290,304,480.60, 434,952,836.10 and 272,164,627.80 is: 407,774,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,304,480.60 : 434,952,836.10 = 272,164,627.80 : x
  2. Step 2: Convert to fraction form
    290,304,480.60/434,952,836.10 = 272,164,627.80/x
  3. Step 3: Cross multiply
    290,304,480.60x = 434,952,836.10 × 272,164,627.80
  4. Step 4: Simplify right side
    290,304,480.60x = 118,378,776,747,710,912
  5. Step 5: Solve for x
    x = 118,378,776,747,710,912/290,304,480.60
  6. Step 6: Final answer
    x = 407,774,542.45

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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.