Home / 423,280,090.80-634,920,136.20-241,545,639.60

Finding the Fourth Proportional to 423,280,090.80, 634,920,136.20 and 241,545,639.60

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Solution

The fourth proportional to 423,280,090.80, 634,920,136.20 and 241,545,639.60 is: 362,318,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,280,090.80 : 634,920,136.20 = 241,545,639.60 : x
  2. Step 2: Convert to fraction form
    423,280,090.80/634,920,136.20 = 241,545,639.60/x
  3. Step 3: Cross multiply
    423,280,090.80x = 634,920,136.20 × 241,545,639.60
  4. Step 4: Simplify right side
    423,280,090.80x = 153,362,190,393,348,128
  5. Step 5: Solve for x
    x = 153,362,190,393,348,128/423,280,090.80
  6. Step 6: Final answer
    x = 362,318,459.40

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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.