Home / 626,354,278.40-939,652,410.56-238,146,924.80

Finding the Fourth Proportional to 626,354,278.40, 939,652,410.56 and 238,146,924.80

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Solution

The fourth proportional to 626,354,278.40, 939,652,410.56 and 238,146,924.80 is: 357,266,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,354,278.40 : 939,652,410.56 = 238,146,924.80 : x
  2. Step 2: Convert to fraction form
    626,354,278.40/939,652,410.56 = 238,146,924.80/x
  3. Step 3: Cross multiply
    626,354,278.40x = 939,652,410.56 × 238,146,924.80
  4. Step 4: Simplify right side
    626,354,278.40x = 223,775,331,955,771,040
  5. Step 5: Solve for x
    x = 223,775,331,955,771,040/626,354,278.40
  6. Step 6: Final answer
    x = 357,266,390.08

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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.