Home / 777,312,801.90-1,165,981,644.45-202,884,129.90

Finding the Fourth Proportional to 777,312,801.90, 1,165,981,644.45 and 202,884,129.90

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Solution

The fourth proportional to 777,312,801.90, 1,165,981,644.45 and 202,884,129.90 is: 304,329,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,312,801.90 : 1,165,981,644.45 = 202,884,129.90 : x
  2. Step 2: Convert to fraction form
    777,312,801.90/1,165,981,644.45 = 202,884,129.90/x
  3. Step 3: Cross multiply
    777,312,801.90x = 1,165,981,644.45 × 202,884,129.90
  4. Step 4: Simplify right side
    777,312,801.90x = 236,559,171,413,609,440
  5. Step 5: Solve for x
    x = 236,559,171,413,609,440/777,312,801.90
  6. Step 6: Final answer
    x = 304,329,442.20

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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.