Home / 806,573,132.70-1,209,859,699.05-397,825,100.70

Finding the Fourth Proportional to 806,573,132.70, 1,209,859,699.05 and 397,825,100.70

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Solution

The fourth proportional to 806,573,132.70, 1,209,859,699.05 and 397,825,100.70 is: 596,737,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,573,132.70 : 1,209,859,699.05 = 397,825,100.70 : x
  2. Step 2: Convert to fraction form
    806,573,132.70/1,209,859,699.05 = 397,825,100.70/x
  3. Step 3: Cross multiply
    806,573,132.70x = 1,209,859,699.05 × 397,825,100.70
  4. Step 4: Simplify right side
    806,573,132.70x = 481,312,556,607,437,888
  5. Step 5: Solve for x
    x = 481,312,556,607,437,888/806,573,132.70
  6. Step 6: Final answer
    x = 596,737,651.05

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Double scale
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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.