Home / 1,175,167,428.27-1,621,730,976.93-646,520,073.32

Finding the Fourth Proportional to 1,175,167,428.27, 1,621,730,976.93 and 646,520,073.32

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Solution

The fourth proportional to 1,175,167,428.27, 1,621,730,976.93 and 646,520,073.32 is: 892,197,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,167,428.27 : 1,621,730,976.93 = 646,520,073.32 : x
  2. Step 2: Convert to fraction form
    1,175,167,428.27/1,621,730,976.93 = 646,520,073.32/x
  3. Step 3: Cross multiply
    1,175,167,428.27x = 1,621,730,976.93 × 646,520,073.32
  4. Step 4: Simplify right side
    1,175,167,428.27x = 1,048,481,630,110,098,944
  5. Step 5: Solve for x
    x = 1,048,481,630,110,098,944/1,175,167,428.27
  6. Step 6: Final answer
    x = 892,197,660.42

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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.