Home / 302,162,435.10-453,243,652.65-210,329,430.30

Finding the Fourth Proportional to 302,162,435.10, 453,243,652.65 and 210,329,430.30

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Solution

The fourth proportional to 302,162,435.10, 453,243,652.65 and 210,329,430.30 is: 315,494,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,162,435.10 : 453,243,652.65 = 210,329,430.30 : x
  2. Step 2: Convert to fraction form
    302,162,435.10/453,243,652.65 = 210,329,430.30/x
  3. Step 3: Cross multiply
    302,162,435.10x = 453,243,652.65 × 210,329,430.30
  4. Step 4: Simplify right side
    302,162,435.10x = 95,330,479,248,965,584
  5. Step 5: Solve for x
    x = 95,330,479,248,965,584/302,162,435.10
  6. Step 6: Final answer
    x = 315,494,145.45

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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.