Home / 626,354,280.40-939,652,413.56-238,146,926.80

Finding the Fourth Proportional to 626,354,280.40, 939,652,413.56 and 238,146,926.80

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Solution

The fourth proportional to 626,354,280.40, 939,652,413.56 and 238,146,926.80 is: 357,266,393.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,354,280.40 : 939,652,413.56 = 238,146,926.80 : x
  2. Step 2: Convert to fraction form
    626,354,280.40/939,652,413.56 = 238,146,926.80/x
  3. Step 3: Cross multiply
    626,354,280.40x = 939,652,413.56 × 238,146,926.80
  4. Step 4: Simplify right side
    626,354,280.40x = 223,775,334,549,516,640
  5. Step 5: Solve for x
    x = 223,775,334,549,516,640/626,354,280.40
  6. Step 6: Final answer
    x = 357,266,393.08

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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.