Home / 907,369,881.29-1,361,297,019.88-325,162,979.76

Finding the Fourth Proportional to 907,369,881.29, 1,361,297,019.88 and 325,162,979.76

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Solution

The fourth proportional to 907,369,881.29, 1,361,297,019.88 and 325,162,979.76 is: 487,831,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,369,881.29 : 1,361,297,019.88 = 325,162,979.76 : x
  2. Step 2: Convert to fraction form
    907,369,881.29/1,361,297,019.88 = 325,162,979.76/x
  3. Step 3: Cross multiply
    907,369,881.29x = 1,361,297,019.88 × 325,162,979.76
  4. Step 4: Simplify right side
    907,369,881.29x = 442,643,395,322,588,800
  5. Step 5: Solve for x
    x = 442,643,395,322,588,800/907,369,881.29
  6. Step 6: Final answer
    x = 487,831,263.14

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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.