Home / 330,939,417.68-492,502,400.74-319,905,325.52

Finding the Fourth Proportional to 330,939,417.68, 492,502,400.74 and 319,905,325.52

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Solution

The fourth proportional to 330,939,417.68, 492,502,400.74 and 319,905,325.52 is: 476,081,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,939,417.68 : 492,502,400.74 = 319,905,325.52 : x
  2. Step 2: Convert to fraction form
    330,939,417.68/492,502,400.74 = 319,905,325.52/x
  3. Step 3: Cross multiply
    330,939,417.68x = 492,502,400.74 × 319,905,325.52
  4. Step 4: Simplify right side
    330,939,417.68x = 157,554,140,828,111,168
  5. Step 5: Solve for x
    x = 157,554,140,828,111,168/330,939,417.68
  6. Step 6: Final answer
    x = 476,081,519.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.