Home / 340,992,030.30-511,488,045.45-308,079,851.10

Finding the Fourth Proportional to 340,992,030.30, 511,488,045.45 and 308,079,851.10

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Solution

The fourth proportional to 340,992,030.30, 511,488,045.45 and 308,079,851.10 is: 462,119,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,992,030.30 : 511,488,045.45 = 308,079,851.10 : x
  2. Step 2: Convert to fraction form
    340,992,030.30/511,488,045.45 = 308,079,851.10/x
  3. Step 3: Cross multiply
    340,992,030.30x = 511,488,045.45 × 308,079,851.10
  4. Step 4: Simplify right side
    340,992,030.30x = 157,579,160,881,666,048
  5. Step 5: Solve for x
    x = 157,579,160,881,666,048/340,992,030.30
  6. Step 6: Final answer
    x = 462,119,776.65

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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.