Home / 413,020,965.33-570,010,105.08-308,417,433.30

Finding the Fourth Proportional to 413,020,965.33, 570,010,105.08 and 308,417,433.30

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Solution

The fourth proportional to 413,020,965.33, 570,010,105.08 and 308,417,433.30 is: 425,646,803.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,020,965.33 : 570,010,105.08 = 308,417,433.30 : x
  2. Step 2: Convert to fraction form
    413,020,965.33/570,010,105.08 = 308,417,433.30/x
  3. Step 3: Cross multiply
    413,020,965.33x = 570,010,105.08 × 308,417,433.30
  4. Step 4: Simplify right side
    413,020,965.33x = 175,801,053,563,836,896
  5. Step 5: Solve for x
    x = 175,801,053,563,836,896/413,020,965.33
  6. Step 6: Final answer
    x = 425,646,803.24

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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.