Home / 328,744,430.80-492,172,927.80-319,307,246.80

Finding the Fourth Proportional to 328,744,430.80, 492,172,927.80 and 319,307,246.80

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Solution

The fourth proportional to 328,744,430.80, 492,172,927.80 and 319,307,246.80 is: 478,044,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,744,430.80 : 492,172,927.80 = 319,307,246.80 : x
  2. Step 2: Convert to fraction form
    328,744,430.80/492,172,927.80 = 319,307,246.80/x
  3. Step 3: Cross multiply
    328,744,430.80x = 492,172,927.80 × 319,307,246.80
  4. Step 4: Simplify right side
    328,744,430.80x = 157,154,382,525,313,184
  5. Step 5: Solve for x
    x = 157,154,382,525,313,184/328,744,430.80
  6. Step 6: Final answer
    x = 478,044,242.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.