Home / 358,706,687.10-537,721,483.05-194,702,682.30

Finding the Fourth Proportional to 358,706,687.10, 537,721,483.05 and 194,702,682.30

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Solution

The fourth proportional to 358,706,687.10, 537,721,483.05 and 194,702,682.30 is: 291,870,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,706,687.10 : 537,721,483.05 = 194,702,682.30 : x
  2. Step 2: Convert to fraction form
    358,706,687.10/537,721,483.05 = 194,702,682.30/x
  3. Step 3: Cross multiply
    358,706,687.10x = 537,721,483.05 × 194,702,682.30
  4. Step 4: Simplify right side
    358,706,687.10x = 104,695,815,080,168,976
  5. Step 5: Solve for x
    x = 104,695,815,080,168,976/358,706,687.10
  6. Step 6: Final answer
    x = 291,870,262.93

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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.