Home / 626,304,086.40-939,456,129.60-195,426,595.20

Finding the Fourth Proportional to 626,304,086.40, 939,456,129.60 and 195,426,595.20

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Solution

The fourth proportional to 626,304,086.40, 939,456,129.60 and 195,426,595.20 is: 293,139,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,304,086.40 : 939,456,129.60 = 195,426,595.20 : x
  2. Step 2: Convert to fraction form
    626,304,086.40/939,456,129.60 = 195,426,595.20/x
  3. Step 3: Cross multiply
    626,304,086.40x = 939,456,129.60 × 195,426,595.20
  4. Step 4: Simplify right side
    626,304,086.40x = 183,594,712,747,497,920
  5. Step 5: Solve for x
    x = 183,594,712,747,497,920/626,304,086.40
  6. Step 6: Final answer
    x = 293,139,892.80

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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.