Home / 553,086,049.89-763,249,719.74-302,185,042.32

Finding the Fourth Proportional to 553,086,049.89, 763,249,719.74 and 302,185,042.32

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Solution

The fourth proportional to 553,086,049.89, 763,249,719.74 and 302,185,042.32 is: 417,010,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,086,049.89 : 763,249,719.74 = 302,185,042.32 : x
  2. Step 2: Convert to fraction form
    553,086,049.89/763,249,719.74 = 302,185,042.32/x
  3. Step 3: Cross multiply
    553,086,049.89x = 763,249,719.74 × 302,185,042.32
  4. Step 4: Simplify right side
    553,086,049.89x = 230,642,648,858,849,120
  5. Step 5: Solve for x
    x = 230,642,648,858,849,120/553,086,049.89
  6. Step 6: Final answer
    x = 417,010,425.24

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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.