Home / 651,831,403.20-977,411,181.60-242,676,945.60

Finding the Fourth Proportional to 651,831,403.20, 977,411,181.60 and 242,676,945.60

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Solution

The fourth proportional to 651,831,403.20, 977,411,181.60 and 242,676,945.60 is: 363,890,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,831,403.20 : 977,411,181.60 = 242,676,945.60 : x
  2. Step 2: Convert to fraction form
    651,831,403.20/977,411,181.60 = 242,676,945.60/x
  3. Step 3: Cross multiply
    651,831,403.20x = 977,411,181.60 × 242,676,945.60
  4. Step 4: Simplify right side
    651,831,403.20x = 237,195,160,145,974,912
  5. Step 5: Solve for x
    x = 237,195,160,145,974,912/651,831,403.20
  6. Step 6: Final answer
    x = 363,890,354.13

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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.