Home / 517,326,308.06-713,803,732.95-297,267,218.78

Finding the Fourth Proportional to 517,326,308.06, 713,803,732.95 and 297,267,218.78

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Solution

The fourth proportional to 517,326,308.06, 713,803,732.95 and 297,267,218.78 is: 410,167,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,326,308.06 : 713,803,732.95 = 297,267,218.78 : x
  2. Step 2: Convert to fraction form
    517,326,308.06/713,803,732.95 = 297,267,218.78/x
  3. Step 3: Cross multiply
    517,326,308.06x = 713,803,732.95 × 297,267,218.78
  4. Step 4: Simplify right side
    517,326,308.06x = 212,190,450,448,828,352
  5. Step 5: Solve for x
    x = 212,190,450,448,828,352/517,326,308.06
  6. Step 6: Final answer
    x = 410,167,523.17

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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.