Home / 517,326,306.56-713,803,730.90-297,267,217.28

Finding the Fourth Proportional to 517,326,306.56, 713,803,730.90 and 297,267,217.28

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Solution

The fourth proportional to 517,326,306.56, 713,803,730.90 and 297,267,217.28 is: 410,167,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,326,306.56 : 713,803,730.90 = 297,267,217.28 : x
  2. Step 2: Convert to fraction form
    517,326,306.56/713,803,730.90 = 297,267,217.28/x
  3. Step 3: Cross multiply
    517,326,306.56x = 713,803,730.90 × 297,267,217.28
  4. Step 4: Simplify right side
    517,326,306.56x = 212,190,448,768,724,928
  5. Step 5: Solve for x
    x = 212,190,448,768,724,928/517,326,306.56
  6. Step 6: Final answer
    x = 410,167,521.11

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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.