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Finding the Fourth Proportional to 1,161,402,822.79, 1,742,105,900.39 and 886,614,228

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Solution

The fourth proportional to 1,161,402,822.79, 1,742,105,900.39 and 886,614,228 is: 1,329,922,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,402,822.79 : 1,742,105,900.39 = 886,614,228 : x
  2. Step 2: Convert to fraction form
    1,161,402,822.79/1,742,105,900.39 = 886,614,228/x
  3. Step 3: Cross multiply
    1,161,402,822.79x = 1,742,105,900.39 × 886,614,228
  4. Step 4: Simplify right side
    1,161,402,822.79x = 1,544,575,877,964,091,648
  5. Step 5: Solve for x
    x = 1,544,575,877,964,091,648/1,161,402,822.79
  6. Step 6: Final answer
    x = 1,329,922,613.98

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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.