Home / 376,727,245.83-519,880,876.47-209,462,211.45

Finding the Fourth Proportional to 376,727,245.83, 519,880,876.47 and 209,462,211.45

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Solution

The fourth proportional to 376,727,245.83, 519,880,876.47 and 209,462,211.45 is: 289,056,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,727,245.83 : 519,880,876.47 = 209,462,211.45 : x
  2. Step 2: Convert to fraction form
    376,727,245.83/519,880,876.47 = 209,462,211.45/x
  3. Step 3: Cross multiply
    376,727,245.83x = 519,880,876.47 × 209,462,211.45
  4. Step 4: Simplify right side
    376,727,245.83x = 108,895,398,075,970,464
  5. Step 5: Solve for x
    x = 108,895,398,075,970,464/376,727,245.83
  6. Step 6: Final answer
    x = 289,056,337.92

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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.