Home / 380,472,881.94-525,065,502.42-363,038,959.80

Finding the Fourth Proportional to 380,472,881.94, 525,065,502.42 and 363,038,959.80

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Solution

The fourth proportional to 380,472,881.94, 525,065,502.42 and 363,038,959.80 is: 501,006,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,472,881.94 : 525,065,502.42 = 363,038,959.80 : x
  2. Step 2: Convert to fraction form
    380,472,881.94/525,065,502.42 = 363,038,959.80/x
  3. Step 3: Cross multiply
    380,472,881.94x = 525,065,502.42 × 363,038,959.80
  4. Step 4: Simplify right side
    380,472,881.94x = 190,619,233,825,421,184
  5. Step 5: Solve for x
    x = 190,619,233,825,421,184/380,472,881.94
  6. Step 6: Final answer
    x = 501,006,097.61

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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.