Home / 531,387,322.09-733,460,359.77-308,440,830.06

Finding the Fourth Proportional to 531,387,322.09, 733,460,359.77 and 308,440,830.06

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Solution

The fourth proportional to 531,387,322.09, 733,460,359.77 and 308,440,830.06 is: 425,733,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,387,322.09 : 733,460,359.77 = 308,440,830.06 : x
  2. Step 2: Convert to fraction form
    531,387,322.09/733,460,359.77 = 308,440,830.06/x
  3. Step 3: Cross multiply
    531,387,322.09x = 733,460,359.77 × 308,440,830.06
  4. Step 4: Simplify right side
    531,387,322.09x = 226,229,122,183,565,024
  5. Step 5: Solve for x
    x = 226,229,122,183,565,024/531,387,322.09
  6. Step 6: Final answer
    x = 425,733,006.38

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1.5x scale

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.