Home / 671,107,698.77-926,241,322.83-389,026,590.14

Finding the Fourth Proportional to 671,107,698.77, 926,241,322.83 and 389,026,590.14

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Solution

The fourth proportional to 671,107,698.77, 926,241,322.83 and 389,026,590.14 is: 536,922,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,107,698.77 : 926,241,322.83 = 389,026,590.14 : x
  2. Step 2: Convert to fraction form
    671,107,698.77/926,241,322.83 = 389,026,590.14/x
  3. Step 3: Cross multiply
    671,107,698.77x = 926,241,322.83 × 389,026,590.14
  4. Step 4: Simplify right side
    671,107,698.77x = 360,332,503,468,174,528
  5. Step 5: Solve for x
    x = 360,332,503,468,174,528/671,107,698.77
  6. Step 6: Final answer
    x = 536,922,023.29

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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.