Home / 649,938,861.05-896,915,628.20-371,486,363.28

Finding the Fourth Proportional to 649,938,861.05, 896,915,628.20 and 371,486,363.28

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Solution

The fourth proportional to 649,938,861.05, 896,915,628.20 and 371,486,363.28 is: 512,651,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,938,861.05 : 896,915,628.20 = 371,486,363.28 : x
  2. Step 2: Convert to fraction form
    649,938,861.05/896,915,628.20 = 371,486,363.28/x
  3. Step 3: Cross multiply
    649,938,861.05x = 896,915,628.20 × 371,486,363.28
  4. Step 4: Simplify right side
    649,938,861.05x = 333,191,924,887,157,184
  5. Step 5: Solve for x
    x = 333,191,924,887,157,184/649,938,861.05
  6. Step 6: Final answer
    x = 512,651,181.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.