Home / 1,413,118,440.17-2,119,993,784.58-430,621,873.67

Finding the Fourth Proportional to 1,413,118,440.17, 2,119,993,784.58 and 430,621,873.67

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Solution

The fourth proportional to 1,413,118,440.17, 2,119,993,784.58 and 430,621,873.67 is: 646,029,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,118,440.17 : 2,119,993,784.58 = 430,621,873.67 : x
  2. Step 2: Convert to fraction form
    1,413,118,440.17/2,119,993,784.58 = 430,621,873.67/x
  3. Step 3: Cross multiply
    1,413,118,440.17x = 2,119,993,784.58 × 430,621,873.67
  4. Step 4: Simplify right side
    1,413,118,440.17x = 912,915,695,673,993,984
  5. Step 5: Solve for x
    x = 912,915,695,673,993,984/1,413,118,440.17
  6. Step 6: Final answer
    x = 646,029,143.58

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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.