Home / 867,549,156.51-1,197,252,163.31-486,074,481.83

Finding the Fourth Proportional to 867,549,156.51, 1,197,252,163.31 and 486,074,481.83

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Solution

The fourth proportional to 867,549,156.51, 1,197,252,163.31 and 486,074,481.83 is: 670,802,017.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,549,156.51 : 1,197,252,163.31 = 486,074,481.83 : x
  2. Step 2: Convert to fraction form
    867,549,156.51/1,197,252,163.31 = 486,074,481.83/x
  3. Step 3: Cross multiply
    867,549,156.51x = 1,197,252,163.31 × 486,074,481.83
  4. Step 4: Simplify right side
    867,549,156.51x = 581,953,724,896,827,904
  5. Step 5: Solve for x
    x = 581,953,724,896,827,904/867,549,156.51
  6. Step 6: Final answer
    x = 670,802,017.99

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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.