Home / 553,086,048.02-763,249,717.15-302,185,040.45

Finding the Fourth Proportional to 553,086,048.02, 763,249,717.15 and 302,185,040.45

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Solution

The fourth proportional to 553,086,048.02, 763,249,717.15 and 302,185,040.45 is: 417,010,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,086,048.02 : 763,249,717.15 = 302,185,040.45 : x
  2. Step 2: Convert to fraction form
    553,086,048.02/763,249,717.15 = 302,185,040.45/x
  3. Step 3: Cross multiply
    553,086,048.02x = 763,249,717.15 × 302,185,040.45
  4. Step 4: Simplify right side
    553,086,048.02x = 230,642,646,645,852,096
  5. Step 5: Solve for x
    x = 230,642,646,645,852,096/553,086,048.02
  6. Step 6: Final answer
    x = 417,010,422.65

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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.