Home / 372,312,217.98-513,774,280.26-213,428,437.56

Finding the Fourth Proportional to 372,312,217.98, 513,774,280.26 and 213,428,437.56

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Solution

The fourth proportional to 372,312,217.98, 513,774,280.26 and 213,428,437.56 is: 294,521,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,312,217.98 : 513,774,280.26 = 213,428,437.56 : x
  2. Step 2: Convert to fraction form
    372,312,217.98/513,774,280.26 = 213,428,437.56/x
  3. Step 3: Cross multiply
    372,312,217.98x = 513,774,280.26 × 213,428,437.56
  4. Step 4: Simplify right side
    372,312,217.98x = 109,654,041,894,405,344
  5. Step 5: Solve for x
    x = 109,654,041,894,405,344/372,312,217.98
  6. Step 6: Final answer
    x = 294,521,739.01

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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.