Home / 380,713,001.58-571,071,472.70-173,306,364.21

Finding the Fourth Proportional to 380,713,001.58, 571,071,472.70 and 173,306,364.21

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Solution

The fourth proportional to 380,713,001.58, 571,071,472.70 and 173,306,364.21 is: 259,960,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,713,001.58 : 571,071,472.70 = 173,306,364.21 : x
  2. Step 2: Convert to fraction form
    380,713,001.58/571,071,472.70 = 173,306,364.21/x
  3. Step 3: Cross multiply
    380,713,001.58x = 571,071,472.70 × 173,306,364.21
  4. Step 4: Simplify right side
    380,713,001.58x = 98,970,320,636,820,752
  5. Step 5: Solve for x
    x = 98,970,320,636,820,752/380,713,001.58
  6. Step 6: Final answer
    x = 259,960,443.24

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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.