Home / 812,946,889.14-1,219,421,274.39-222,742,151.16

Finding the Fourth Proportional to 812,946,889.14, 1,219,421,274.39 and 222,742,151.16

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Solution

The fourth proportional to 812,946,889.14, 1,219,421,274.39 and 222,742,151.16 is: 334,113,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,946,889.14 : 1,219,421,274.39 = 222,742,151.16 : x
  2. Step 2: Convert to fraction form
    812,946,889.14/1,219,421,274.39 = 222,742,151.16/x
  3. Step 3: Cross multiply
    812,946,889.14x = 1,219,421,274.39 × 222,742,151.16
  4. Step 4: Simplify right side
    812,946,889.14x = 271,616,517,827,897,248
  5. Step 5: Solve for x
    x = 271,616,517,827,897,248/812,946,889.14
  6. Step 6: Final answer
    x = 334,113,484.48

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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.