Home / 370,608,585.22-511,438,288.71-205,596,154.72

Finding the Fourth Proportional to 370,608,585.22, 511,438,288.71 and 205,596,154.72

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Solution

The fourth proportional to 370,608,585.22, 511,438,288.71 and 205,596,154.72 is: 283,721,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,608,585.22 : 511,438,288.71 = 205,596,154.72 : x
  2. Step 2: Convert to fraction form
    370,608,585.22/511,438,288.71 = 205,596,154.72/x
  3. Step 3: Cross multiply
    370,608,585.22x = 511,438,288.71 × 205,596,154.72
  4. Step 4: Simplify right side
    370,608,585.22x = 105,149,745,535,353,184
  5. Step 5: Solve for x
    x = 105,149,745,535,353,184/370,608,585.22
  6. Step 6: Final answer
    x = 283,721,828.71

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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.