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Finding the Fourth Proportional to 143,676,366,405.45, 215,514,549,608.18 and 143,676,366,405.45

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Solution

The fourth proportional to 143,676,366,405.45, 215,514,549,608.18 and 143,676,366,405.45 is: 215,514,549,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,676,366,405.45 : 215,514,549,608.18 = 143,676,366,405.45 : x
  2. Step 2: Convert to fraction form
    143,676,366,405.45/215,514,549,608.18 = 143,676,366,405.45/x
  3. Step 3: Cross multiply
    143,676,366,405.45x = 215,514,549,608.18 × 143,676,366,405.45
  4. Step 4: Simplify right side
    143,676,366,405.45x = 30,964,347,395,210,402,070,528
  5. Step 5: Solve for x
    x = 30,964,347,395,210,402,070,528/143,676,366,405.45
  6. Step 6: Final answer
    x = 215,514,549,608.18

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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.