Home / 497,663,999.40-746,495,999.10-279,089,970.60

Finding the Fourth Proportional to 497,663,999.40, 746,495,999.10 and 279,089,970.60

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Solution

The fourth proportional to 497,663,999.40, 746,495,999.10 and 279,089,970.60 is: 418,634,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,663,999.40 : 746,495,999.10 = 279,089,970.60 : x
  2. Step 2: Convert to fraction form
    497,663,999.40/746,495,999.10 = 279,089,970.60/x
  3. Step 3: Cross multiply
    497,663,999.40x = 746,495,999.10 × 279,089,970.60
  4. Step 4: Simplify right side
    497,663,999.40x = 208,339,546,441,836,640
  5. Step 5: Solve for x
    x = 208,339,546,441,836,640/497,663,999.40
  6. Step 6: Final answer
    x = 418,634,955.90

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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.