Home / 662,971,362.40-994,457,043.60-404,691,036.40

Finding the Fourth Proportional to 662,971,362.40, 994,457,043.60 and 404,691,036.40

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Solution

The fourth proportional to 662,971,362.40, 994,457,043.60 and 404,691,036.40 is: 607,036,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,971,362.40 : 994,457,043.60 = 404,691,036.40 : x
  2. Step 2: Convert to fraction form
    662,971,362.40/994,457,043.60 = 404,691,036.40/x
  3. Step 3: Cross multiply
    662,971,362.40x = 994,457,043.60 × 404,691,036.40
  4. Step 4: Simplify right side
    662,971,362.40x = 402,447,851,629,763,968
  5. Step 5: Solve for x
    x = 402,447,851,629,763,968/662,971,362.40
  6. Step 6: Final answer
    x = 607,036,554.60

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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.