Home / 807,417,218.07-1,114,236,249.21-436,139,413.47

Finding the Fourth Proportional to 807,417,218.07, 1,114,236,249.21 and 436,139,413.47

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Solution

The fourth proportional to 807,417,218.07, 1,114,236,249.21 and 436,139,413.47 is: 601,872,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,417,218.07 : 1,114,236,249.21 = 436,139,413.47 : x
  2. Step 2: Convert to fraction form
    807,417,218.07/1,114,236,249.21 = 436,139,413.47/x
  3. Step 3: Cross multiply
    807,417,218.07x = 1,114,236,249.21 × 436,139,413.47
  4. Step 4: Simplify right side
    807,417,218.07x = 485,962,344,197,462,208
  5. Step 5: Solve for x
    x = 485,962,344,197,462,208/807,417,218.07
  6. Step 6: Final answer
    x = 601,872,654.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.